Patents by Inventor Grover G. Fields

Grover G. Fields 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).

  • Guitar and adjustable mute therefor
    Patent number: 3956962
    Abstract: A bass guitar incorporates a number of damping pads which are individually mounted and individually adjustable without tools. Rotational motion of the adjustment is isolated from the pad and its carrier by rotatably mounting the latter to an adjustable shaft, restraining rotation of the shaft and minimizing resistance to relative rotation of the pad carrier and adjustable shaft.
    Type: Grant
    Filed: June 20, 1975
    Date of Patent: May 18, 1976
    Assignee: CBS Inc.
    Inventor: Grover G. Fields
  • Guitar
    Patent number: D242648
    Type: Grant
    Filed: November 18, 1974
    Date of Patent: December 7, 1976
    Assignee: CBS Inc.
    Inventor: Grover G. Fields
  • Guitar head
    Patent number: D246331
    Type: Grant
    Filed: November 18, 1974
    Date of Patent: November 8, 1977
    Assignee: CBS Inc.
    Inventor: Grover G. Fields