Patents by Inventor William Alexander Downey

William Alexander Downey 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: D412470
    Type: Grant
    Filed: July 14, 1998
    Date of Patent: August 3, 1999
    Assignee: Michelin Recherche et Technique, S.A.
    Inventor: William Alexander Downey
  • Tire tread
    Patent number: D412471
    Type: Grant
    Filed: July 14, 1998
    Date of Patent: August 3, 1999
    Assignee: Michelin Recherche et Technique S.A.
    Inventor: William Alexander Downey