Patents by Inventor Martin T. Cassidy

Martin T. Cassidy 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).

  • Ladder accessory
    Patent number: D356165
    Type: Grant
    Filed: December 14, 1993
    Date of Patent: March 7, 1995
    Assignee: Catherine C. Cassidy
    Inventor: Martin T. Cassidy