Patents by Inventor Robert A. Lucas

Robert A. Lucas 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: D335956
    Type: Grant
    Filed: November 12, 1991
    Date of Patent: June 1, 1993
    Inventor: Robert A. Lucas
  • Patent number: D339915
    Type: Grant
    Filed: February 13, 1992
    Date of Patent: October 5, 1993
    Inventor: Robert A. Lucas
  • Patent number: D346273
    Type: Grant
    Filed: February 13, 1992
    Date of Patent: April 26, 1994
    Inventor: Robert A. Lucas