Patents by Inventor Robert L. Van Horn

Robert L. Van Horn 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).

  • Chair
    Patent number: D260334
    Type: Grant
    Filed: September 12, 1978
    Date of Patent: August 25, 1981
    Inventor: Robert L. Van Horn
  • Chair
    Patent number: D261329
    Type: Grant
    Filed: May 7, 1979
    Date of Patent: October 20, 1981
    Inventor: Robert L. Van Horn