Patents by Inventor Jonathan Michael Penton

Jonathan Michael Penton 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).

  • Mechanical starter motor
    Patent number: 5970940
    Abstract: Starter motor for internal combustion engines which operates mechanically using stored spring energy as the power source whereby the spring comprises a spiral power spring.
    Type: Grant
    Filed: August 21, 1997
    Date of Patent: October 26, 1999
    Assignee: Pentham Limited
    Inventor: Jonathan Michael Penton