Patents by Inventor Robert S. Lutzker

Robert S. Lutzker 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).

  • Planter
    Patent number: D251237
    Type: Grant
    Filed: May 2, 1977
    Date of Patent: March 6, 1979
    Inventor: Robert S. Lutzker
  • Planter
    Patent number: D251238
    Type: Grant
    Filed: May 2, 1977
    Date of Patent: March 6, 1979
    Inventor: Robert S. Lutzker
  • Cutting and serving board or similar article
    Patent number: D251470
    Type: Grant
    Filed: February 17, 1976
    Date of Patent: April 3, 1979
    Inventor: Robert S. Lutzker
  • Planter
    Patent number: D251486
    Type: Grant
    Filed: May 2, 1977
    Date of Patent: April 3, 1979
    Inventor: Robert S. Lutzker
  • Planter
    Patent number: D251487
    Type: Grant
    Filed: May 2, 1977
    Date of Patent: April 3, 1979
    Inventor: Robert S. Lutzker