Patents by Inventor John C. Kolff

John C. Kolff 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).

  • Tool for applying glass insulating strips
    Patent number: 4756789
    Abstract: A tool for applying insulating strip such as SWIGGLE STRIP.TM. used to seal double-paned glass is disclosed. The tool has a guide which slides along the edge of the pane and rollers which guide the strip through the tool and press it against the surface of the pane.
    Type: Grant
    Filed: June 24, 1987
    Date of Patent: July 12, 1988
    Assignee: Peak Distributing Limited
    Inventor: John C. Kolff