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Hagen Dietrich

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  • Delta, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Selective self-locking deadbolt latch
    • Patent number 4,974,884
    • Issue date Dec 4, 1990
    • Masco Building Products Corp.
    • Hagen Dietrich
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Backset adjustable door latch
    • Patent number 4,921,290
    • Issue date May 1, 1990
    • Masco Building Products Corp.
    • Hagen Dietrich
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Self-adjusting door strike
    • Patent number 4,893,854
    • Issue date Jan 16, 1990
    • Masco Building Products Corp.
    • Hagen Dietrich
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Self-adjusting door strike
    • Patent number 4,892,341
    • Issue date Jan 9, 1990
    • Masco Building Products, Corp.
    • Hagen Dietrich
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Self-adjusting door strike
    • Patent number 4,813,724
    • Issue date Mar 21, 1989
    • Masco Building Products Corp.
    • Hagen Dietrich
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Spring/dead bolt lock assembly
    • Patent number 4,333,324
    • Issue date Jun 8, 1982
    • Norris Industries, Inc.
    • Hagen Dietrich
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Combination spring/dead bolt lock
    • Patent number 4,255,953
    • Issue date Mar 17, 1981
    • Norris Industries, Inc.
    • Hagen Dietrich
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Inner locking cylinder with captive key
    • Patent number 4,254,648
    • Issue date Mar 10, 1981
    • Norris Industries, Inc.
    • Hagen Dietrich
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Plastic door lock
    • Patent number 4,169,618
    • Issue date Oct 2, 1979
    • Norris Industries
    • Dennis G. Potter
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Plastic latch bolt for door lock
    • Patent number 4,109,948
    • Issue date Aug 29, 1978
    • Norris Industries
    • Dennis G. Potter
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Fire sleeve for tubular locks
    • Patent number 4,109,498
    • Issue date Aug 29, 1978
    • Norris Industries
    • Hagen Dietrich
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Disengaging spindle locking mechanism
    • Patent number 4,108,482
    • Issue date Aug 22, 1978
    • Norris Industries
    • Hagen Dietrich
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Knob attachment for door latch
    • Patent number 4,062,579
    • Issue date Dec 13, 1977
    • Norris Industries, Inc.
    • Dennis G. Potter
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES