Patents by Inventor Karl-Josef Heidkamp

Karl-Josef Heidkamp 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).

  • Installation for mounting a door panel or rosette on a door
    Patent number: 3939680
    Abstract: Installation for mounting a door panel or rosette on a door including fastener means such as at least one pin or lock screw extending between the panel and door. The pin is fastened to and extends from the door and is grippingly engaged in a bore formed in a projection of the panel. The pin is mounted in either the door or a door lock receptacle.
    Type: Grant
    Filed: May 1, 1973
    Date of Patent: February 24, 1976
    Assignee: Otto Grosssteinbeck GmbH
    Inventor: Karl-Josef Heidkamp