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If you find additional information about or photos of Leopold Karl Kuhnl, please let me know. I can be contacted on the forums listed on the left.

Here is a list of his patents:


Leopold Karl Kuhnl

1 June 1897—Feb 1983

1923 Emigration to the U.S. with his first wife

Source: Staatsarchiv Hamburg; Hamburg, Deutschland; Hamburger Passagierlisten; Microfilm No.: k_1850

Ethnicity/Nationality: Tschechoslowakei
Residence: Karlsbad
Departure Date: 25 Aug 1923
Port of Departure: Hamburg
Destination: New York
Port of Arrival: Southampton; Cherbourg; New York
Ship Name: Tyrrhenia
Shipping Clerk: M. Karlsberg
Shipping Line: The Cunard Steamship Company, Limited, Liverpool
Ship Type: Dampfschiff
Ship Flag: England
Accommodation: 3. Klasse
Volume: 373-7 I, VIII A 1 Band 302

  • Leopold Kuehne, Age 27, Born Schlakenburg, Autoingenieur
  • Marie Kuehne, Age 29, Born Buckau, H'sfrau

Reads and writes German
Nationality: Czechoslov
Race or people: German
Last residence: Czechoslovk, Karlsbad
Nearest relative abroad: Father (Father in law) Edward Kuehnel, Schlackenberg, Czechislovakia
Final destination: New York
Ticket paid by self/husband
In posession of $100
Never been to the US before
Relative in the US: Bother (in law), Josef Echtner, 3732 White Plains Ave, Bronx, N.Y.
Intends to return: No
Length of stay: Perm
Wants to become a citizen: Yes

  • Leopold Kuehne, Age 27, Male, Married, Autoenginer, Born Schlakenburg, Czechoslovk
  • Marie Kuehne, Age 29, Female, Married, Hs'wife, Born Buckau, Czechoslovk
1928 - Emigration of his second wife to the US

Ship: SS Columbus
Departure port: Bremen
Departure date: 26 Jan 1928
Arrival port: New York
Arrival date: 5 Feb 1928

Both sisters:
Born in Ansbach, Germany
Visa issued at Stuttgart
Last residence: Ansbach, Germany
Nearest relative in Germany: Father Heinrich Herrmann, Ansbach, Bavaria, No.63
Final destination: Newark, N.J.
Passage paid by self
Join relative: Uncle Theobald Herrmann, 570 South 12th Stret, Newark
Intends to return: No
Length of stay: Always
Intends to become citizen: Yes

  • Rosa Herrmann, Age 22, Occupation Farml., Visa 41238, Issued 12.14.27
  • Maria Herrmann, Age 28, Occupation None, Visa 40939, Issued 12.3.27
1929 Marriage to this second wife

According to the 1931 naturalization documents the were married on 22 February 1929

1930 United States Census https://familysearch.org/ark:/61903/1:1:XMP3-1GW

Address: Fairfield Avenue, Sound Beach, Greenwich, Fairfield County, Connecticut
Rented accomodation. $50/month
Radio set owned.

  • Leopold Kuhnl, Head, Age 33, Married since age 32, Born in Austria, Native language German, Immigration 1923, Naturaliztion papers filed (Pa), Engineer at Razor Factory
  • Marie Kunhl, Wife, Age 30, Married since age 29, Born in Germany ?abulia, Native language German, Immigration 1928, alien
  • Alfreda Kuhnl, Daughter, Age 5 months, Born in Connecticut
1931 Residence: Bridgeport, Connecticut, USA

Kuhnl Leopold (Marie H) emp AmChainCo h 517 Central av

1931 Naturalization

Source: National Archives and Records Administration (NARA); Washington, D.C.; Index to New England Naturalization Petitions, 1791-1906 (M1299); Microfilm Serial: M1299; Microfilm Roll: 20

https://familysearch.org/ark:/61903/1:1:VX5P-N2W

His naturalization petition yields quite a bit of information:

The petition of LEOPOLD KUHNL, hereby filed, respectfully shows:

  1. My place of residence is Rockland Place, Sound Beach, Fairfield, Conn.
  2. My occupation is Mechanical Eng.
  3. I was born in Schlackenwerth, Czechoslovakia formerly Austria on June 1, 1897 My race is Germany
  4. I declared my intention to become a citizen of the United States on February 13, 1924, in the District Court of the United States at Newark, New Jersey
  5. I am     married. The name of my wife is Maria; we were married on February 22, 1929 at Stamford, Connecticut; she was born at Ansbach, Bavaria, Germany on February 26, 1900; entered the United States at New York City, N.Y. on --- -- 1928 for permanent residence therein, and now resides at Sound Beach, Connecticut I have one child and the name, date and place of birth, and place of residence of said child is as follows: Elfreda, born November 26, 1929 at Stamford, Connecticut and now resides at Sound Beach, Connecticut.
  6. My last foreign residence was Schlackenwerth, Czechoslovakia I emigrated to the United States of America from Hamburg, Germany My lawful entry for permant residence in the United States was at New York, N.Y., under the name of Leopold Kuehne on September 6th, 1923, on the vessel SS Tyrrhenia as shown by the certificate of my arrival attached hereto.
  7. I am not a disbeliever in or opposed to organized government or a member of or affiliated with any organization or body of persons teaching disbelief in or opposed to organized government. I am not a ploygamist nor a believer in the practice of polygamy. I am attached to the principles of the Constitution of the United States and well disposed to the good order and happiness of the United States. It is my intention to become a citizen of the United States and to renounce absolutely and forever all allegiance and fidelity to any foreign prince, potentate, state or sovereignty, and particularly to The German Reich  Czecho-Slovak Republic, of whom (which) at this time I am a subject (or citizen), and it is my intention to reside permanently in the United States.
  8. I am able to speak the English language.
  9. I have resided continously in the United States of America for the term of five years at least immediately preceding the date of this petition, to wit, since September 6th, 1923, and in the County of Fairfield this State, continously next preceding the date of this petition, since July 1st, 1926, being a residence within said county of at least six months next preceding the date of this petition.
  10. I have not heretofore made petion for citizenship:       
1932 Residence: Bridgeport, Connecticut, USA

Source: Bridgeport, Connecticut, City Directory, 1932

Kuhnl Leopold (Marie H) emp ACCo h 517 Central av

1933 Residence: Bridgeport, Connecticut, USA

Source: Bridgeport, Connecticut, City Directory, 1933

Kuhnl Leopold C (Marie H) experimental eng ACCo h 517 Central av

1935 Residence: Bridgeport, Connecticut, USA

Source: Bridgeport, Connecticut, City Directory, 1935

Kuhnl, Leopold C (Marie H) experimental eng ACCo h 517 Central av

1936 Naturalization of his wife Maria
1937 Residence: Bridgeport, Connecticut, USA

Source: Bridgeport, Connecticut, City Directory, 1937

Kuhnl Leopold C (Marie H) eng AC&CCo h 354 Union av

1940 United States Census https://familysearch.org/ark:/61903/1:1:K719-548

Address: Lawlor Terrace, Stratford, Fairfield County, Connecticut
Residence is owned, value $6500
Residence in 1935: Bridgeport, Fairfield, Connecticut

  • Leopold Kuhnl, Head, Age 42, Born in Austria, Developing engineer, Chain Co
  • Marie Kuhnl, Wife, Age 40, Born in Germany
  • Alfreda Kuhnl, Daughter, Age 10, Born in Connecticut
  • Norma Kuhnl, Daughter, Age 7, Born in Connecticut

They are now living in their brand new house. 44 Lawlor Terrace is a single family home with 3 bedrooms, built in 1937. Leopold will live there until his death.

1942 U.S. WWII Draft Cards Young Men

Source: The National Archives in St. Louis, Missouri; St. Louis, Missouri; Record Group: Records of the Selective Service System, 147; Box: 227

Name: Leopold Karl Kuhnl
Race: White
Age: 44
Relationship to Draftee: Self
Birth Place: Schlackenwerth, Austria
Birth Date: 1 Jun 1897
Residence Place: Stratford, Fairfield, Connecticut, USA
Registration Date: 16 Feb 1942
Employer: American Chain And Cable Co
Weight: 123
Complexion: Light
Eye Color: Brown
Hair Color: Brown
Height: 5
Next of Kin: Maria Hedwig Kuhnl

1943 Residence: Bridgeport, Connecticut, USA

Source: Bridgeport, Connecticut, City Directory, 1943

Kuhnl Leopold C (Marie H) developing eng AC&CCo h 44 Lawlor ter Stfd

1949 Residence: Bridgeport, Connecticut, USA

Source: Bridgeport, Connecticut, City Directory, 1949

Kuhnl Elfrieda R steno AC&CCo r 44 Lawlor ter Stfd
—Leopold C (Marie H) developing eng AC&CCo h 44 Lawlor ter Stfd

1951 Residence: Bridgeport, Connecticut, USA

Source: Bridgeport, Connecticut, City Directory, 1951

Kuhnl Elfrieda R married Anthony Y Freitas
—Leopold C (Marie H) developing eng AC&CCo h 44 Lawlor ter Stfd

1952 Residence: Bridgeport, Connecticut, USA

Source: Bridgeport, Connecticut, City Directory, 1952

Kuhnl Leopold C (Marie H) developing eng AC&CCo h 44 Lawlor ter Stfd

1954 Residence: Bridgeport, Connecticut, USA

Source: Bridgeport, Connecticut, City Directory, 1954

Kuhnl Leopold C (Marie H) developing eng AC&CCo h 44 Lawlor ter Stfd
—Norma J office sec (302) 114 State r 44 Lawlor ter Stfd

1956 Residence: Bridgeport, Connecticut, USA

Source: Bridgeport, Connecticut, City Directory, 1956

Kuhnl Leopold C (Marie H) developing eng AC&CCo h 44 Lawlor ter Stfd
—Norma J office sec (302) 114 State r 44 Lawlor ter Stfd

1958 Residence: Bridgeport, Connecticut, USA

Source: Bridgeport, Connecticut, City Directory, 1958

Kuhnl Leopold C (Marie H) developing eng AC&CCo h 44 Lawlor ter Stfd
––Norma J r 44 Lawlor ter Stfd

1959 Residence: Bridgeport, Connecticut, USA

Source: Bridgeport, Connecticut, City Directory, 1959

Kuhnl Leopold C (Marie H) developing eng AC&CCo h 44 Lawlor ter Stfd
—Norma J office sec BBCo r 44 Lawlor ter Stfd

1960 Residence: Bridgeport, Connecticut, USA

Source: Bridgeport, Connecticut, City Directory, 1960

Kuhnl Leopold C (Marie H) experimenter 706 Boswick h 44 Lawlor ter Stfd
––Norma J office sec BBCo r 44 Lawlor ter Stfd

LAWLOR TERRACE From 2245 Nichols av SW

44 Kuhnl Leopold C ⓞ EDC-0692

1962 Residence: Bridgeport, Connecticut, USA

Source: Bridgeport, Connecticut, City Directory, 1962

Kuhnl Leopold C (Marie H) experimental eng Milford h 44 Lawlor ter Stfd
––Norma J married Harold Karun rem to Norwalk

1965 Residence: Bridgeport, Connecticut, USA

Source: Bridgeport, Connecticut, City Directory, 1965

Kuhnl Leopold C (Marie H) experimental eng Schick Safety Razor Co Milfiord h 44 Lawlor ter Stfd

1970 Death of his wife Maria Bridgeport Sunday Post, August 9, 1970, Page 72

Maria H. Hermann Kuhnl, died aged 70 on Saturday August 8, 1970

Bridgeport Post, August 11, 1970, Page 47
1972 Residence: Bridgeport, Connecticut, USA

Source: Bridgeport, Connecticut, City Directory, 1972

Kuhnl Leopold C experimental eng Schick Safety Razor Co Mlfd h 44 Lawlor ter Stfd
––Leopold C Mrs (Marie H) died Aug 8 1970 age 70

1979 Residence: Bridgeport, Connecticut, USA

Source: Bridgeport, Connecticut, City Directory, 1979

Kuhnl Leopold K consulting eng Schick Safety Razor Co Mlfd h 44 Lawlor ter Stfd

1981 Residence: Bridgeport, Connecticut, USA

Source: Bridgeport, Connecticut, City Directory, 1981

KUHNL Leopold R consulting eng Echick Safety Razor Co Mlfd h 44 Lawlor Ter (Stfd) Ⓗ

1983 Death https://familysearch.org/ark:/61903/1:1:JRMS-34D
https://familysearch.org/ark:/61903/1:1:VZGW-XT7

U.S., Social Security Death Index:
Name: Leopold Kuhnl
SSN: 047-07-4911
Last Residence: Stratford, 06497, Fairfield, Connecticut, USA
Born: 1 Jun 1897
Died: Feb 1983
State (Year) SSN issued: Connecticut - Before 1951