Patents by Inventor Walter T. Caffrey

Walter T. Caffrey 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: 4497083
    Abstract: A heated windshield wiper has resistance wiring running along the length of the wiper arm, the blade carrier, and the wiper blade for heating the blade and carrier when connected into a vehicle electrical system. Wiring connections are provided between the blade and the carrier allowing blades to be replaced independently of the arm and carrier.
    Type: Grant
    Filed: September 14, 1983
    Date of Patent: February 5, 1985
    Inventors: Edward M. Nielsen, Jr., Walter T. Caffrey