Car Company in 1903 which produced the Marr Auto Car. The Marr Auto Car was one of the world's first automobiles with an overhead camshaft (OHC) engine.

Possibly his most important achievement was building one of the first overhead valve engines (OHV). This he did in 1898 when he built a trike that weighed 118 pounds, and whose single cylinder had a bore and stroke of 3 inches each. He brought the concept