Patents by Inventor Robert Ellsworth Bickert

Robert Ellsworth Bickert 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).

  • Cup lid
    Patent number: D417360
    Type: Grant
    Filed: November 10, 1998
    Date of Patent: December 7, 1999
    Assignee: Crown Products
    Inventors: Robert Ellsworth Bickert, Bruce Copeland
  • Cup
    Patent number: D433877
    Type: Grant
    Filed: November 10, 1998
    Date of Patent: November 21, 2000
    Assignee: American Crown, Inc.
    Inventors: Robert Ellsworth Bickert, Bruce Copeland