Patents by Inventor Ray H. Pierce

Ray H. Pierce 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).

  • Patent number: D293219
    Type: Grant
    Filed: November 12, 1985
    Date of Patent: December 15, 1987
    Assignee: Tromar Corporation Ltd.
    Inventor: Ray H. Pierce
  • Patent number: D293220
    Type: Grant
    Filed: August 30, 1985
    Date of Patent: December 15, 1987
    Assignee: Tromar Corporation Ltd.
    Inventor: Ray H. Pierce
  • Patent number: D293221
    Type: Grant
    Filed: August 30, 1985
    Date of Patent: December 15, 1987
    Assignee: Tromar Corporation Ltd.
    Inventor: Ray H. Pierce
  • Patent number: D295967
    Type: Grant
    Filed: January 30, 1986
    Date of Patent: May 31, 1988
    Assignee: Tromar Corporation Ltd.
    Inventor: Ray H. Pierce