Patents by Inventor Arthur S. Willmott

Arthur S. Willmott 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).

  • Keyboard assembly
    Patent number: 4057710
    Abstract: A keyboard assembly comprising a plurality of actuating keys, and a sheet of flexible thin plastic film, the keys being bonded to the film. The keys have upper and lower portions, said lower portions being sandwiched between said upper portions and film and bonded to each.
    Type: Grant
    Filed: March 29, 1976
    Date of Patent: November 8, 1977
    Inventor: Arthur S. Willmott