Patents by Inventor John C. McMann

John C. McMann 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).

  • Electric cribbage board
    Patent number: D376324
    Type: Grant
    Filed: March 20, 1996
    Date of Patent: December 10, 1996
    Inventors: John C. McMann, Florence McMann, Michael A. Cook