Patents by Inventor Phillip S. Grounds

Phillip S. Grounds 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: 6186380
    Abstract: A combination sleeping pad and backpack which may be used as a sleeping pad that when assembled and fastened together, portions of the pad function as a backpack.
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: February 13, 2001
    Inventor: Phillip S. Grounds