Patents by Inventor Richard G. Gingerich

Richard G. Gingerich 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).

  • Composite electroluminescent phosphor
    Patent number: 5431851
    Abstract: Composite electroluminescent phosphor particles may be made by forming, on a substrate, a composite layer comprising at least one layer of a dielectric or conductive material and at least one layer of an electroluminescent phosphor, physically removing the composite layer from the substrate, and pulverizing the composite layer to obtain composite electroluminescent phosphor particles.
    Type: Grant
    Filed: February 18, 1994
    Date of Patent: July 11, 1995
    Assignee: Osram Sylvania Inc.
    Inventors: Ronald E. Karam, Richard G. Gingerich
  • Method of making a composite electroluminescent phosphor
    Patent number: 5294368
    Abstract: Composite electroluminescent phosphor particles may be made by forming, on a substrate, a composite layer comprising at least one layer of a dielectric or conductive material and at least one layer of an electroluminescent phosphor, physically removing the composite layer from the substrate, and pulverizing the composite layer to obtain composite electroluminescent phosphor particles.
    Type: Grant
    Filed: December 31, 1992
    Date of Patent: March 15, 1994
    Assignee: Osram Sylvania Inc.
    Inventors: Ronald E. Karam, Richard G. Gingerich
  • Method for producing cobalt metal powder
    Patent number: 4381937
    Abstract: In a process for producing fine cobalt metal powder from scrap material containing brazing compositions, the scrap is digested with hydrochloric acid to form a cobalt chloride solution which the silver is removed by precipitation with a suitable alkali metal halide at a pH of about 7 to result in a cobalt amine chloride solution which is further processed to fine cobalt powder.
    Type: Grant
    Filed: September 21, 1981
    Date of Patent: May 3, 1983
    Assignee: GTE Products Corporation
    Inventors: Richard G. Gingerich, Clarence D. Vanderpool, Richard A. Scheithauer, Martin B. MacInnis