ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,304, issued on May 6, was assigned to ZF Friedrichshafen AG (Friedrichshafen, Germany).
"Gear set assembly and bicycle gearing system" was invented by Peter Ziemer (Bad Woerishofen, Germany), Thomas Riedisser (Sigmarszell, Germany), Hagen Doepfert (Lindau, Germany), Ulrich Doerr (Constance, Germany), Christoph Margraf (Markdorf, Germany), Reinhard Deppert (Gochsheim, Germany), Uwe Schraff (Markdorf, Germany), Sebastian Grimm (Weil der Stadt, Germany), Markus Strobel (Ravensburg, Germany), Harald Tiesler (Uhldingen-Muhlhofen, Germany), Matthias List (Friedrichshafen, Germany), Rainer Grundler (Bodman-Ludwigshafen, Germany) and Ingo Lippenberger (Horgenzell, Germany).
According to ...