Charles Henry Parr (March 18, 1868 – June 10, 1941) was an American mechanical engineer, inventor, and pioneer in the development of the gasoline powered agricultural tractor and cofounder of Hart-Parr Company.
Charles Henry Parr (March 18, 1868 – June 10, 1941) was an American mechanical engineer, inventor, and pioneer in the development of the gasoline powered agricultural tractor and cofounder of Hart-Parr Company. (en)
Charles Henry Parr (March 18, 1868 – June 10, 1941) was an American mechanical engineer, inventor, and pioneer in the development of the gasoline powered agricultural tractor and cofounder of Hart-Parr Company. (en)