Patents by Inventor Alvin S. Grant

Alvin S. Grant 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).

  • Patent number: 5669314
    Abstract: A motorized collapsible platform assembly which is adapted to be removably attached to a vertical support surface is provided. The assembly has a rotatable platform which may be rotated from a vertical storage position to a horizontal position providing a horizontal work surface. The assembly has a telescoping vertical support member which allows for adjusting the size of the work surface. The vertical support member is connected to a rigid horizontal ledge to which the rotatable platform is hingedly attached. The platform can be remotely rotated by a motor which is attached to the vertical support member and has a drive shaft connected to the underside of the platform.
    Type: Grant
    Filed: December 1, 1995
    Date of Patent: September 23, 1997
    Inventor: Alvin S. Grant
  • Patent number: 4949647
    Abstract: A foot-actuated collapsible platform assembly which may be positioned in an upright, horizontal position providing a horizontal surface, or, alternatively, in a vertical, storage position. The platform is rotated into and out of the upright, horizontal position by the exertion of a force upon a foot pedal. The collapsible platform assembly may be operated by a user by placing a foot on the foot pedal and exerting a force thereupon.
    Type: Grant
    Filed: March 27, 1989
    Date of Patent: August 21, 1990
    Inventor: Alvin S. Grant