ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,458, issued on Aug. 26, was assigned to BIC-VIOLEX SA (Anixi, Greece).
"Razor blade" was invented by Ioannis Papatriantafyllou (Maroussi, Greece), Taxiarchis Terlilis (Athenes, Greece) and Labros Kontokostas (N. Irakleio, Greece).
According to the abstract* released by the U.S. Patent & Trademark Office: "A razor blade including a substrate with a cutting edge portion ending in a sharpened tip. The substrate having a thickness of between 1.55 and 1.97 micrometers measured at a distance of five micrometers from the tip, a thickness of between 4.6 and 6.34 micrometers measured at a distance of twenty micrometers from the tip, and a thickness of between 19.8 and 27.12 micrometers me...