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High-security enclosure
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Patent number 8,443,738
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Issue date May 21, 2013
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Diversified Control, Inc.
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Brent A. James
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Latch-lock structure
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Patent number 5,860,302
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Issue date Jan 19, 1999
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Diversified Control, Inc.
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Brent A. James
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Anti-tamper fastener
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Patent number 5,730,567
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Issue date Mar 24, 1998
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McGard, Inc.
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Daryl R. Haseley
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Filter cage
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Patent number 5,682,016
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Issue date Oct 28, 1997
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Diversified Control, Inc.
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Brent A. James
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Lock structure
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Patent number 5,412,960
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Issue date May 9, 1995
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Diversified Control, Inc.
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Brent A. James
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Lock structure
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Patent number 5,345,795
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Issue date Sep 13, 1994
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Diversified Control, Inc.
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Brent A. James
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES