Patents by Inventor Leonard F. Rappa

Leonard F. Rappa 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: 4283869
    Abstract: A portable chartholder and table, particularly adapted to provide a readily viewable chart for sailing, his two rigid, flat and transparent members secured together by manually operable securing means having a release mechanism, one or more flexible grab handles extending from the perimeter of said members and multiple cushioning-supporting means secured on the perimeter of said members whereby said chartholder is protected against injury and/or displacement from a supporting surface during heavy weather.
    Type: Grant
    Filed: April 12, 1979
    Date of Patent: August 18, 1981
    Inventor: Leonard F. Rappa