Patents by Inventor Clifford W. Newman

Clifford W. Newman 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).

  • Plunger-actuated surface-treating devices
    Patent number: 5662386
    Abstract: Plunger-actuated surface-treating devices adapted for dislodging ice, linoleum, floor-tiles, carpets, and other topical-surfaces from underlying substrates.
    Type: Grant
    Filed: October 31, 1995
    Date of Patent: September 2, 1997
    Inventors: Christopher M. Newman, Clifford W. Newman