Patents by Inventor John W. Graves

John W. Graves 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).

  • Casino chip and method of making
    Patent number: 3953932
    Abstract: A game or casino chip integrally formed of several distinct layers of moldable thermoplastic materials each of which is at least partially visible on a portion of the exterior surface of the chip and each of which may selectively include various characteristics, indicia or design features, and a method of manufacturing the same in a multi-step molding operation.
    Type: Grant
    Filed: February 18, 1975
    Date of Patent: May 4, 1976
    Inventor: John W. Graves