Patents by Inventor Roy Sigman

Roy Sigman 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).

  • Novelty lamp
    Patent number: D319321
    Type: Grant
    Filed: January 25, 1989
    Date of Patent: August 20, 1991
    Inventor: Roy Sigman
  • Novelty table lamp
    Patent number: D333881
    Type: Grant
    Filed: September 24, 1990
    Date of Patent: March 9, 1993
    Inventor: Roy Sigman