TREA

Volker Guelck

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  • Waterloo, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Window system with locking device
    • Patent number 6,679,001
    • Issue date Jan 20, 2004
    • Crystal Window & Door Systems, Ltd.
    • Volker Guelck
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Window frame assembly
    • Patent number 4,756,135
    • Issue date Jul 12, 1988
    • Citrullo; Joseph
    • Joseph Citrullo
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Shoe for a closure
    • Patent number 4,683,675
    • Issue date Aug 4, 1987
    • Illinois Tool Works Inc.
    • Volker Guelck
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    WINDOW SYSTEM WITH LOCKING DEVICE
    • Publication number 20040000093
    • Publication date Jan 1, 2004
    • Crystal Window & Door Systems, Ltd.
    • Volker Guelck
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES