Patents by Inventor Fred Koch

Fred Koch 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).

  • Guide rail comprising attachment means for a plug board
    Patent number: 4924354
    Abstract: The invention concerns a guide rail for printed circuit boards in industrial electronic equipment, which guide rail has, at one of its ends, an attachment means 1 for a spring contact strip 5 provided with electrical connections. This attachment means 1 consists of a retaining limb 2, which is applied at right angles at the end of the guide rail and carries a holding lug 4, and of an angled resilient tongue 3 extending towards this holding lug 4.
    Type: Grant
    Filed: August 4, 1986
    Date of Patent: May 8, 1990
    Assignee: Schroff Gesellschaft mit beschrankter Haftung
    Inventors: Helmut Hermanutz, Fred Koch, Hans M. Schwenk