Patents by Inventor Robert L. Smith, Sr.

Robert L. Smith, Sr. 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).

  • Movable electrical plug receptacle
    Patent number: D325562
    Type: Grant
    Filed: December 20, 1990
    Date of Patent: April 21, 1992
    Inventor: Robert L. Smith, Sr.
  • Decorated window blinds
    Patent number: D343323
    Type: Grant
    Filed: May 9, 1991
    Date of Patent: January 18, 1994
    Inventor: Robert L. Smith, Sr.