Spinning creator accuses Peloton of patent infringement 15-12-2020 11-07-2017 Mad Dogg Athletics, a manufacturer of indoor exercise bikes, has claimed that Peloton is infringing two patents covering “core features of a stationary exercise bike” designed to simulate an instructor-led class. If you have already subscribed please login. If you have any technical issues please email tech support. Spinning, Mad Dogg Athletics, Peloton, patent infringement, trademarks, exercise bikes, fitness, indoor cycling, Nasdaq More on this story