Patents by Inventor W. James Clark

W. James Clark 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: D375165
    Type: Grant
    Filed: September 9, 1992
    Date of Patent: October 29, 1996
    Inventors: Galvin Bartlett, Michael P. Leonhardt, W. James Clark, Stephen Macey
  • Patent number: D376432
    Type: Grant
    Filed: December 30, 1992
    Date of Patent: December 10, 1996
    Inventors: Galvin Bartlett, Michael P. Leonhardt, W. James Clark, Stephen S. Macey
  • Patent number: D377531
    Type: Grant
    Filed: December 30, 1992
    Date of Patent: January 21, 1997
    Inventors: Galvin Bartlett, Michael P. Leonhardt, W. James Clark, Stephen S. Macey
  • Patent number: D380198
    Type: Grant
    Filed: March 28, 1995
    Date of Patent: June 24, 1997
    Inventors: W. James Clark, David J. Stokes