Patents by Inventor William C. Kettler

William C. Kettler 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: 3991792
    Abstract: A gasoline or other fuel storage tank associated with a fuel-powered vehicle has a recoiled spring disposed therewithin to prevent the siphoning of the fuel therefrom.
    Type: Grant
    Filed: February 3, 1975
    Date of Patent: November 16, 1976
    Inventor: William C. Kettler