Patents by Inventor James T. Wentink

James T. Wentink 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).

  • Panel lite insert system
    Patent number: 4570399
    Abstract: A lite insert system for installation in a panel is disclosed. The system includes an external frame and an internal collar provided with a telescopic double tongue and groove engagement for adjusting the thickness of the insert to conform to the thickness of a particular panel. A plurality of spring clips mounted internally of the panel engage the external frame and secures it to the panel. The collar is secured by adhesive to the external frame.
    Type: Grant
    Filed: May 30, 1984
    Date of Patent: February 18, 1986
    Inventor: James T. Wentink