Patents by Inventor Valerie L. Hoffman

Valerie L. Hoffman 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: 5649658
    Abstract: A backpack is comprised of a plurality of compartments for permitting storage of and easy access to a variety of infant care-associated products, and includes a detachable waterproof changing pad, which may be readily stored within and unfolded from an auxiliary backpack compartment, so as to provide the parent-wearer with an easy to carry and use, infant changing station.
    Type: Grant
    Filed: March 3, 1995
    Date of Patent: July 22, 1997
    Assignee: Nappie Sak, Inc.
    Inventors: Valerie L. Hoffman, Carol A. Gornto