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Interconnected lock
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Patent number 5,496,082
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Issue date Mar 5, 1996
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Emhart Inc.
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Martin Zuckerman
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Sheet metal U.L. screw
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Patent number 5,490,700
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Issue date Feb 13, 1996
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Emhart Inc.
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Martin Zuckerman
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Tubular lock assembly
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Patent number 5,482,335
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Issue date Jan 9, 1996
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Emhart Inc.
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Martin Zuckerman
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Tubular lock assembly
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Patent number 5,460,417
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Issue date Oct 24, 1995
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Emhart Inc.
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Martin Zuckerman
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Double cylinder lock assembly
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Patent number 4,698,989
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Issue date Oct 13, 1987
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Kwikset Corporation
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Martin Zuckerman
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES