Patents by Inventor Kenneth M. Cushman

Kenneth M. Cushman 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).

  • Torsion adapter for keys
    Patent number: D583648
    Type: Grant
    Filed: August 16, 2007
    Date of Patent: December 30, 2008
    Inventor: Kenneth M. Cushman