Patents by Inventor Donald C. Marsh

Donald C. 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).

  • Gravity lift chair
    Patent number: 6293621
    Abstract: A chair for use with a plurality of such chairs arranged in rows to provide an aisle between adjacent rows of chairs when the chairs are not in use comprising a frame assembly configured to operatively support a seat assembly including a seat movable between a raised or upright position when not in use and a lowered or deployed position when in use and a seat positioning assembly coupled to the seat to normally maintain the seat in the raised or upright position.
    Type: Grant
    Filed: June 7, 1999
    Date of Patent: September 25, 2001
    Assignee: All Star Bleachers
    Inventors: Donald C. Marsh, Gregory L. Buckner