Patents by Inventor Nathan Edelson

Nathan Edelson 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).

  • Adjustable portable exercise desk
    Patent number: 5257701
    Abstract: A collapsible desk with unique height adjustment features which allow users to change positions frequently and exercise while they work. The desk may also be used for a variety of other purposes.
    Type: Grant
    Filed: August 30, 1991
    Date of Patent: November 2, 1993
    Inventor: Nathan Edelson
  • Cross-legged seating apparatus
    Patent number: 5029350
    Abstract: Two cushions, one of trapezoidal and one of rectangular cross-section, are flexibly joined so as to provide optimum support for cross-legged sitting. The cushions may be folded one upon the other and carried via an integral handle which may be partially concealed in the flexible joint.
    Type: Grant
    Filed: December 31, 1990
    Date of Patent: July 9, 1991
    Inventor: Nathan Edelson
  • Flexibly hinged convertible mattress
    Patent number: 4985952
    Abstract: Four rectangular cushion sections are flexibly interconnected along certain of their top and bottom edges by three hinges. The resulting mattress-like article may be variously folded and unfolded to function as a bed, exercise mat, day couch, or ottoman, and can also be compactly stored.
    Type: Grant
    Filed: May 23, 1990
    Date of Patent: January 22, 1991
    Inventor: Nathan Edelson
  • Support cushion
    Patent number: D318392
    Type: Grant
    Filed: December 8, 1989
    Date of Patent: July 23, 1991
    Inventor: Nathan Edelson
  • Portable desk
    Patent number: D318961
    Type: Grant
    Filed: January 16, 1990
    Date of Patent: August 13, 1991
    Inventor: Nathan Edelson
  • Erogonomic cushion
    Patent number: D319365
    Type: Grant
    Filed: December 8, 1989
    Date of Patent: August 27, 1991
    Inventor: Nathan Edelson