Waits' Compendium Errata

A very useful resource is A Safety Razor Compendium by Robert K. Waits.
I have v1.2 and have found the following mistakes or inaccuracies.

I you find other problems in this great book, let me know and I'll add them here.

Introduction

• Page vi
  
  The term “safety razor” was not coined by the Kampfe brothers. See my research here.

Razors by brand

• Brandt
  
  Patent number is 807172, not 802172
• Coronia
  
  Patent number is 775379, not 775397
• Firm Blade
  
  “Uses one-half of a split Gillette-type double-edge blade” No, it doesn't. Won't fit.
• Gravin Heat Shaver
  
  Patent is US2324148 Moses M. Gravin - 13 July 1943
• Krisp
  
  26355 is patent GB190826355 2168 is patent GB190902168 “Circa 1919” is ten years later than the patents
• Rally Roller Shaver
  
  Inventor name is: Jonas Åke Gregorius Malmberg German patent: DE830305 US Patent: US2637902 Also, there is no such place as “Esjukstuna” in Sweden, but razors were manufactured in “Eskilstuna” (e.g. Heljestrand).
• SENCA
  
  Patent is by Philip (not Peter) H. Unsinger
• Supramat
  
  378772 is 378722 and refers to Swiss patent CH378722
• Wanie Rollband Blades
  
  The patent number should be 608066

Patent list

• 715379 …is 775379 (Coronia)
• 719846 …is 791346
• 820244 …is 840244
• 853989 …is 953989
• 865343 …is 856343
• 869748 …is listed twice