Patents by Inventor Geoffrey E. Marsh

Geoffrey E. Marsh 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).

  • Twin reflector oscillating mechanism
    Patent number: 5658069
    Abstract: A warning light assembly includes a pair of simultaneously rotatable light beam generators. The rotation of the output shaft of a single drive motor about a first axis is converted to oscillatory motion of the light beam generators about a pair of spaced, parallel axes by a mechanical drive train which includes an eccentric drive for producing reciprocal linear motion in two opposite directions.
    Type: Grant
    Filed: March 18, 1996
    Date of Patent: August 19, 1997
    Assignee: Whelen Engineering Company, Inc.
    Inventors: Alexander A. Alonzo, Jr., Geoffrey E. Marsh