Patents by Inventor Martin F. Johns

Martin F. Johns 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).

  • Pneumatic tire tread and buttress
    Patent number: D328729
    Type: Grant
    Filed: May 2, 1990
    Date of Patent: August 18, 1992
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Paul B. Maxwell, Rudy E. Consolacion, William E. Egan, Martin F. Johns