Patents by Inventor Dennis R. Kapp

Dennis R. Kapp 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).

  • Four-legged artist easel
    Patent number: 7293753
    Abstract: An artist's easel having four legs that are pivoted at their upper ends on a pivot housing so that the lower ends can be spread to support an artist's board or collapsed to a position in which they are adjacent one another.
    Type: Grant
    Filed: August 4, 2004
    Date of Patent: November 13, 2007
    Inventor: Dennis R. Kapp
  • Parallel-ruling straightedge
    Patent number: 4339881
    Abstract: A parallel-ruling straightedge assembly having a base member adapted to be translated over a drafting surface, a first straightedge member of a transparent acrylic material extending along one longitudinal edge of the base member and adapted to provide a drawing edge, and a second edge member of metallic material extending along an opposing longitudinal edge of the base member and having an edge adapted to provide a guide for a cutting blade for use in stripping sheet material.
    Type: Grant
    Filed: August 19, 1977
    Date of Patent: July 20, 1982
    Inventor: Dennis R. Kapp
  • Adjustable table
    Patent number: D269395
    Type: Grant
    Filed: May 4, 1981
    Date of Patent: June 21, 1983
    Inventor: Dennis R. Kapp