https://patentbrief.org/company/fed-trust-co Plain-English explanations of patents assigned to FED TRUST Co, newest first. en-us Sat, 13 Jun 2026 10:08:07 GMT https://patentbrief.org/patent/us/775134/safety-razor-gillette King Gillette's 1904 patent for a safety razor with a thin, replaceable, double-edged blade that changed how the world shaves. Tue, 15 Nov 1904 00:00:00 GMT https://patentbrief.org/patent/us/775134/safety-razor-gillette