Patents by Inventor Edsel Keith Helfet

Edsel Keith Helfet 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).

  • Automobile
    Patent number: D608692
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: January 26, 2010
    Assignee: Optimal Energy (Pty) Ltd
    Inventor: Edsel Keith Helfet
  • Automobile
    Patent number: D610950
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: March 2, 2010
    Assignee: Optimal Energy (Pty) Ltd
    Inventor: Edsel Keith Helfet