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Alarm capability for pin tumbler locks
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Patent number 4,656,851
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Issue date Apr 14, 1987
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The United States of America as represented by the Secretary of the Navy
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Bobby J. Leek
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Hydraulic locking boltwork system
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Patent number 4,609,215
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Issue date Sep 2, 1986
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The United States of America as represented by the Secretary of the Navy
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Henry L. Self
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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High security internal locking system
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Patent number 4,587,817
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Issue date May 13, 1986
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The United States of America as represented by the Secretary of the Navy
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Henry L. Self
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Mechanical relocker for locking bolts
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Patent number 4,562,706
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Issue date Jan 7, 1986
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The United States of America as represented by the Secretary of the Navy
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Teddy L. Pickett
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES