Patents by Inventor Paige R. Caldow

Paige R. Caldow 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).

  • Ring guard
    Patent number: D337543
    Type: Grant
    Filed: September 24, 1991
    Date of Patent: July 20, 1993
    Inventor: Paige R. Caldow