Patents by Inventor Alfred R. Bates

Alfred R. Bates 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).

  • Puzzle
    Patent number: D345996
    Type: Grant
    Filed: March 24, 1992
    Date of Patent: April 12, 1994
    Assignee: Ladybird Books Limited
    Inventor: Alfred R. Bates
  • Puzzle
    Patent number: D351872
    Type: Grant
    Filed: January 18, 1994
    Date of Patent: October 25, 1994
    Assignee: Ladybird Books Limited
    Inventor: Alfred R. Bates