ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,058, issued on Feb. 17, 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 each with at least one row of cutting teeth and movable relative to each other, wherein one of said cutting elements has thickened and/or rounded tooth tips overhanging the tooth tips of the other cutting element...