Patents by Inventor Ronald Els

Ronald Els 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: D345131
    Type: Grant
    Filed: August 31, 1992
    Date of Patent: March 15, 1994
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Andre E. J. Baus, Ronald Els
  • Tire tread
    Patent number: D348239
    Type: Grant
    Filed: August 31, 1992
    Date of Patent: June 28, 1994
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Andre E. J. Baus, Ronald Els