Patents by Inventor Stephen H. Heller

Stephen H. Heller 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).

  • Tire changing machine with locking center post
    Patent number: 4846239
    Abstract: A center post key for a tire changing apparatus is provided. The center post key includes a retractable projection on its side for preventing inadvertent dislodging of the tire iron during operation of the apparatus.
    Type: Grant
    Filed: December 4, 1987
    Date of Patent: July 11, 1989
    Inventors: Stephen H. Heller, Gregory J. Owen, Thomas O'Key