Patents by Inventor David N. McCrary

David N. McCrary 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).

  • Patent number: D251756
    Type: Grant
    Filed: December 20, 1976
    Date of Patent: May 8, 1979
    Inventor: David N. McCrary
  • Patent number: D252236
    Type: Grant
    Filed: May 9, 1977
    Date of Patent: July 3, 1979
    Inventor: David N. McCrary
  • Patent number: D270606
    Type: Grant
    Filed: February 12, 1982
    Date of Patent: September 20, 1983
    Inventors: David N. McCrary, Robert O. Binford
  • Patent number: D373047
    Type: Grant
    Filed: March 14, 1994
    Date of Patent: August 27, 1996
    Inventors: David N. McCrary, Fred L. McCrary