Patents by Inventor Allen C. Jorgensen

Allen C. Jorgensen 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).

  • Collapsible guitar
    Patent number: 4073211
    Abstract: A guitar, the neck of which is hinged to the guitar body so as to be foldable into a shaped recess in the back of the body. The strings of the guitar are individually attached at one end to the neck and at the other end to a common bridge unit. The bridge unit is attached to a first clamp on the face of the body in the erect position of the neck and to a second clamp recessed below the face side of the body in the folded neck position. Grooves are formed in the guitar body to individually retain each guitar string in the folded neck position.
    Type: Grant
    Filed: July 26, 1976
    Date of Patent: February 14, 1978
    Assignee: The Raymond Lee Organization, Inc.
    Inventor: Allen C. Jorgensen