ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,804, issued on May 26, was assigned to Braun GMBH (Kronberg, Germany).
"Electric beard trimmer" was invented by Alois Koeppl (Weilrod, Germany), Reinhold Eichhorn (Idstein, Germany), Jana Schmitt (Wiesbaden, Germany) and Martin Fuellgrabe (Bad Camberg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a cutter system for an electric shaver and/or trimmer, comprising a pair of comb-like cutting elements with cooperating toothed cutting edges and movably supported relative to each other by a support element, wherein lateral ends of at least one of the cutting elements are provided with lateral protection elements h...