Patents by Inventor Robert B. Hessler

Robert B. Hessler 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).

  • Interconnecting toy tile
    Patent number: D370944
    Type: Grant
    Filed: February 14, 1995
    Date of Patent: June 18, 1996
    Assignee: Imagiix, Inc.
    Inventor: Robert B. Hessler