Patents by Inventor John H. Belknap

John H. Belknap 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).

  • Support structure for weighty objects
    Patent number: 4911086
    Abstract: A compact bench or other support structure assembled from a small number of interconnected parts and having a multiplicity of load bearing surfaces resulting in the maintenance of the structural rigidity of the assembled structure even when supporting weighty loads.
    Type: Grant
    Filed: May 10, 1988
    Date of Patent: March 27, 1990
    Inventor: John H. Belknap