Patents by Inventor David D. Zelnik

David D. Zelnik 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).

  • Method and assembly for storing a dolly bar
    Patent number: 5269417
    Abstract: A dolly bar storing assembly (30) for storing an elongated dolly bar (10). The dolly bar storing assembly (30) rollingly supports two side walls (16, 17) of the dolly bar (10) which intersect along a common edge (18) in an orientation where both side walls (16, 17) are inclined relative a horizontal plane with the common edge (18) inclined downwardly. The storing assembly (30) provides rolling support and stability of the dolly bar (10) during installation and removal from the storing assembly (30). The dolly bar (10) storing assembly includes a frame (32, 32') for longitudinally supporting the dolly bar (10) and a roller mechanism (50, 50') mounted to the frame (32, 32') to provide rolling support of the dolly bar (10) longitudinally therealong relative the frame (32, 32').
    Type: Grant
    Filed: July 30, 1992
    Date of Patent: December 14, 1993
    Inventor: David D. Zelnik