Patents by Inventor Peter B. Robinson

Peter B. Robinson 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).

  • Identifiable dental restorative material
    Patent number: 5211748
    Abstract: A problem on removing dental restorative material can be to know its exact extent, otherwise sound tooth material may be unnecessarily removed. The inventive restorative material is made identifiable by adding crushed ruby powder, which fluoresces under standard dental blue light.
    Type: Grant
    Filed: January 10, 1992
    Date of Patent: May 18, 1993
    Assignee: National Research Development Corporation
    Inventors: Peter B. Robinson, Brian J. Millar