Patents by Inventor Robin Spill

Robin Spill 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).

  • Dental alloys
    Patent number: 4038752
    Abstract: A corrosion-resistant dental prosthesis that consists of a nickel-base alloy with significant quantities of chromium, silicon, manganese and boron.
    Type: Grant
    Filed: December 30, 1975
    Date of Patent: August 2, 1977
    Inventors: Robert Edward Phelps, Robin Spill, Barry Edward Print