Patents in the B26B21/185 category
1920 — Gillette New Improved Razor
Patent US1328024
Invention Safety Razor
Filed Saturday, 3rd February 1917
Published Tuesday, 13th January 1920
Inventor Edward R. Wharton
Owner Gillette Safety Razor Company
Language English
This is the patent Gillette filed just before their original patents expired.
Patent US1445452
Invention Safety Razor
Filed Wednesday, 28th December 1921
Published Tuesday, 13th February 1923
Inventor George Arthur Schieren
Language English