Patents by Inventor Spencer C. Whiting

Spencer C. Whiting 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: 7500678
    Abstract: A ski lift for an airplane having skis has a body transversely rotated with a shaft on a ski and an axle secured to the body rotatably supporting a wheel. A bar secured to the body engages the ski to limit rotational movement of the body and locate the axle and wheel in engagement with a support surface laterally of the vertical plane of the shaft to retain the ski above the support surface. A handle is used to manually rotate the body and angularly move the axle and wheel.
    Type: Grant
    Filed: August 8, 2005
    Date of Patent: March 10, 2009
    Inventor: Spencer C. Whiting