TREA

Leonard E. Johnson Jr.

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  • Elkhart, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Door hinge
    • Patent number 4,873,744
    • Issue date Oct 17, 1989
    • L. E. Johnson Products, Inc.
    • Leonard E. Johnson
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Sliding door frame corner lock
    • Patent number 4,478,006
    • Issue date Oct 23, 1984
    • L. E. Johnson, Inc.
    • Leonard E. Johnson
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES