Patents by Inventor Raymond Thomas Olsen

Raymond Thomas Olsen 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 tremolo
    Patent number: 7772470
    Abstract: A self-contained, surface-mount guitar tremolo is disclosed. A particular embodiment includes a surface-mount base plate; a plurality of individually adjustable string fingers attached to the base plate; side plates attached to the base plate; a first pivot roller attached to the side plates; a second pivot roller attached to the side plates; a rocker attached to the second pivot roller; and a spring preload adjuster attached to the rocker, the spring preload adjuster including a plurality of springs attached at one end to the base plate and attached at a second end to the spring preload adjuster.
    Type: Grant
    Filed: November 5, 2008
    Date of Patent: August 10, 2010
    Inventor: Raymond Thomas Olsen