Harry J. Mertz Patents

A Google search brought up the history of the Mertz ‘Doodle Bug’ Motor Scooter Patents.

H.J Mertz Design for a Motor Scooter US148716

H.J. Mertz Rotary Fluid Coupling US2526082

H.J. Mertz drive wheel assembly US2476059

H.J. Mertz Power Transmission Drive Adjustment US2458720

H.J. Mertz Brake Control and Accelerator Assembly US2476058

H.J. Mertz v groove pulley centrifugal clutch US2612054