Patents by Inventor Grace M. Green

Grace M. Green 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: 4934484
    Abstract: A portable assembly comprising a nylon flame retardant support rope, an adjustable size waist band and crotch harness and a lever controlled brake rope friction device. The user securely fastens the rope at the point of departure, threads the rope through the friction device and fastens the device to the harness. The lever on the friction device regulates the rate of descent from a full stop to the limiting rate prescribed by the friction ring assembly. Alternately, the user may hand hold the friction device for lowering a load fastened to the harness.
    Type: Grant
    Filed: August 7, 1989
    Date of Patent: June 19, 1990
    Inventors: Kenneth E. Green, Grace M. Green