Patents by Inventor Marshall D. Hobart, II

Marshall D. Hobart, II 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).

  • Suction-cup release mechanism
    Patent number: 5176357
    Abstract: A suction device (20) including an elastic diaphragm (30) with a lever (45) attached to the surface of diaphragm (30) by appendages (40, 41) and an attachment means (26, 98), a sun or glare screen (50), and handle (60). Handle (60) is inserted through screen (50) into opening (102) of diaphragm (30 ). Lever 45 provides a quick method of releasing suction device (20) from surface (10), using a natural one-handed operation.
    Type: Grant
    Filed: June 26, 1991
    Date of Patent: January 5, 1993
    Inventor: Marshall D. Hobart, II