Patents by Inventor Marvin H. Hartman

Marvin H. Hartman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Golf cart
    Patent number: 6139032
    Abstract: Apparatus for converting a conventional battery-powered golf bag cart to a vehicle for transporting a golfer. Such apparatus includes a frame engageable to the chassis of the cart. Such frame is configured to support a seat for supporting a golfer. Wheels are rotatably engaged to opposed ends of an axle fixed to the frame. A bracket is fixed to the frame for securing it to the chassis and for reinforcing the interconnections of the chassis to a frontal nose wheel mount and to a rear control handle.
    Type: Grant
    Filed: December 22, 1998
    Date of Patent: October 31, 2000
    Assignee: The Hartman Trust
    Inventor: Marvin H. Hartman