Patents by Inventor Berend Albert Hemmes

Berend Albert Hemmes 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 tread
    Patent number: D412474
    Type: Grant
    Filed: August 10, 1998
    Date of Patent: August 3, 1999
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Richard Heinen, Berend Albert Hemmes
  • Tire tread
    Patent number: D415079
    Type: Grant
    Filed: September 3, 1998
    Date of Patent: October 12, 1999
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Richard Heinen, Berend Albert Hemmes, Georges Nicolas Hilbert