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Wilhelm Frank

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  • Leinfelden, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Skylight latch
    • Patent number 4,845,905
    • Issue date Jul 11, 1989
    • Wilh. Frank GmbH
    • Wilhelm Frank
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Skylight
    • Patent number 4,486,978
    • Issue date Dec 11, 1984
    • Wilh. Frank GmbH
    • Wilhelm Frank
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Skylight
    • Patent number 4,480,406
    • Issue date Nov 6, 1984
    • Wilh. Frank GmbH
    • Wilhelm Frank
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Combined rolling shutter and ventilating box
    • Patent number 4,338,996
    • Issue date Jul 13, 1982
    • Wilhelm Frank
    • F24 - HEATING RANGES VENTILATING