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Dropbolt lock
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Patent number D324480
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Issue date Mar 10, 1992
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Medeco Security Locks, Inc.
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Stevie C. Roop
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D08 - Tools and hardware
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Dropbolt lock assembly
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Patent number 5,044,181
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Issue date Sep 3, 1991
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Medeco Security Locks, Inc.
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Stevie C. Roop
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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High security post lock
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Patent number 5,010,745
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Issue date Apr 30, 1991
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Medeco Security Locks, Inc.
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Charles E. Hall
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Drop-bolt door lock assembly
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Patent number 4,688,409
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Issue date Aug 25, 1987
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Medeco Security Locks, Inc.
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Ronald N. Oliver
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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High security T-handle assembly
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Patent number 4,552,001
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Issue date Nov 12, 1985
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Medeco Security Locks, Inc.
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Stevie C. Roop
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES