Patents by Inventor George H. Royce, Jr.

George H. Royce, Jr. 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).

  • Heated survival face mask
    Patent number: 4601287
    Abstract: This invention relates to a face mask fabricated from air impervious material, having a single forward protrusion forming a pivoted ambient air intake and exhaust orifice, which contains a heating element to elevate the temperature of the incoming ambient air, and which is designed to direct all of the exhausted air over the heating element to thereby increase its efficiency.
    Type: Grant
    Filed: October 8, 1985
    Date of Patent: July 22, 1986
    Inventor: George H. Royce, Jr.