Patents

This page lists significant patents in the history of shaving. When adding new patent groups, please place them in temporal order by the earliest filing date.

If you are new to collecting razors, be sure to avoid the common pitfall of confusing patent dates with manufacturing dates. See also: US_Gillette_Dating_Information

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1. ^299 U.S. 94 (57 S.Ct. 68, 81 L.Ed. 60), ESSEX RAZOR BLADE CORPORATION v. GILLETTE SAFETY RAZOR CO., 1936.