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Deadbolt locking device
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Patent number 8,443,640
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Issue date May 21, 2013
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Elton G. Davis
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Valve operated by a master key
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Patent number 8,418,515
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Issue date Apr 16, 2013
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BMT Co., Ltd.
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Jong Chan Yoon
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Specification cabinet lock
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Patent number 7,377,139
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Issue date May 27, 2008
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Ping-Jan Yang
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Key turning device
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Patent number 7,240,527
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Issue date Jul 10, 2007
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Terry M. Boyd
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Lock guard system
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Patent number 7,210,320
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Issue date May 1, 2007
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Albert J. Nokleberg
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Gate management system
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Patent number 6,734,783
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Issue date May 11, 2004
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Oki Electric Industry Co., Ltd.
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Noriyoshi Anbai
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G07 - CHECKING-DEVICES
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Lock with a fixable key
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Patent number 6,666,057
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Issue date Dec 23, 2003
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Chiu-Mei Huang
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Deadbolt security chain
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Patent number 6,332,344
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Issue date Dec 25, 2001
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Mike Montoya
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Dead-bolt locking device
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Patent number 6,301,941
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Issue date Oct 16, 2001
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Morgan L. Nicholsfigueiredo
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Key retaining lock apparatus
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Patent number 6,178,792
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Issue date Jan 30, 2001
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James F. Glazier
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Deadlock bolt security lock
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Patent number 5,950,465
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Issue date Sep 14, 1999
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Theodore J. Schultz
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Lock assembly
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Patent number 5,528,915
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Issue date Jun 25, 1996
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Percoco; Jane M.
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Stephen L. Percoco
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Lock conversion mechanism
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Patent number 5,140,843
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Issue date Aug 25, 1992
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Owen A. Krueger
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Master keyboard
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Patent number 4,641,509
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Issue date Feb 10, 1987
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Ronnie K. Batchelor
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Key-actuated barrel-type locks
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Patent number 4,018,069
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Issue date Apr 19, 1977
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Neiman, S.A.
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Paul Lipschutz
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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3798398
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Patent number 3,798,398
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Issue date Mar 19, 1974
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2675107
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Patent number 2,675,107
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Issue date Apr 13, 1954
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G07 - CHECKING-DEVICES
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2638773
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Patent number 2,638,773
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Issue date May 19, 1953
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES