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Ronald N. Oliver

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  • Salem, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drop-bolt door lock assembly
    • Patent number 4,688,409
    • Issue date Aug 25, 1987
    • Medeco Security Locks, Inc.
    • Ronald N. Oliver
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Retained key double cylinder deadbolt
    • Patent number 4,315,420
    • Issue date Feb 16, 1982
    • Ronald N. Oliver
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES