Patents by Inventor Andrew Liebmann

Andrew Liebmann 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).

  • Fork or similar article
    Patent number: D299899
    Type: Grant
    Filed: February 24, 1986
    Date of Patent: February 21, 1989
    Assignee: Polar Plastics Ltd.
    Inventor: Andrew Liebmann
  • Pizza spacer
    Patent number: D363880
    Type: Grant
    Filed: August 5, 1994
    Date of Patent: November 7, 1995
    Inventor: Andrew Liebmann
  • Cup with space for printed matter
    Patent number: D386947
    Type: Grant
    Filed: November 15, 1996
    Date of Patent: December 2, 1997
    Assignee: Polar Plastics, Inc.
    Inventors: Robert Lapierre, Andrew Liebmann