Patents by Inventor Thomas C. Hollingsworth

Thomas C. Hollingsworth 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).

  • Electronic hang glider hook-up warning system
    Patent number: 4272039
    Abstract: An electronic warning system that alerts a pilot of light-weight foot-launched aircraft that the required pre-launch physical hook-up of pilot-to-aircraft has not been accomplished.
    Type: Grant
    Filed: October 19, 1978
    Date of Patent: June 9, 1981
    Inventor: Thomas C. Hollingsworth