Patents by Inventor Randall Power Gingrich

Randall Power Gingrich 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).

  • Flame retardant polyketone polymer blend
    Patent number: 5684117
    Abstract: The Comparative Tracking Index of a flame retardant polyketone blend of polyketone polymer and glass filler is improved by formulating the flame retardant as a mixture of alkaline earth metal hydroxide or carbonate and zinc compound.
    Type: Grant
    Filed: October 16, 1995
    Date of Patent: November 4, 1997
    Assignee: Shell Oil Company
    Inventors: Michelle Londa, Randall Power Gingrich