Patents by Inventor Norbert J. Humpa

Norbert J. Humpa 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).

  • Disposable utility tongs
    Patent number: 3934915
    Abstract: A one-piece set of synthetic plastic, object-gripping tongs including a pair of longitudinally extending blades, an integral hinge normally urging the blades to fully spread positions, but permitting movement thereof to closed, object-gripping positions, and cooperating connector portions on the blades interrupting spreading movement of the blades in positions between the fully spread and closed positions, but permitting movement thereof to the closed positions.
    Type: Grant
    Filed: March 9, 1973
    Date of Patent: January 27, 1976
    Inventor: Norbert J. Humpa