TREA

Marlin D. Crown

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  • Sycamore, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Padlock
    • Patent number 4,829,794
    • Issue date May 16, 1989
    • National Manufacturing Co.
    • Marlin D. Crown
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door latch
    • Patent number 4,784,416
    • Issue date Nov 15, 1988
    • National Manufacturing Co.
    • Marlin D. Crown
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Knob latch
    • Patent number 4,732,418
    • Issue date Mar 22, 1988
    • National Manufacturing
    • Marlin D. Crown
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Gate latch
    • Patent number 4,643,469
    • Issue date Feb 17, 1987
    • National Manufacturing Co.
    • James R. Johnston
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES