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Information carrier and reader
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Patent number 4,810,861
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Issue date Mar 7, 1989
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Lowe and Fletcher Limited
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Victor L. Herriott
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Clutch mechanism
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Patent number 4,749,072
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Issue date Jun 7, 1988
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Schlage Lock Company
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Ronald D. Lichty
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Cable/computer peripheral lock
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Patent number 4,669,281
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Issue date Jun 2, 1987
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Hewlett-Packard Company
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James E. Young
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Theft preventing device
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Patent number 4,546,345
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Issue date Oct 8, 1985
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Honda Giken Kogyo Kabushiki Kaisha
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Hiroyasu Naito
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Electronic lock
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Patent number 4,369,481
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Issue date Jan 18, 1983
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David Early
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Security systems
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Patent number 4,196,347
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Issue date Apr 1, 1980
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Chubb & Son's Lock and Safe Company Limited
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John Hadley
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G06 - COMPUTING CALCULATING COUNTING
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Opto-electronic lock device
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Patent number 4,090,175
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Issue date May 16, 1978
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Robert Lee Hart
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Optical key reader for door locks
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Patent number 4,079,605
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Issue date Mar 21, 1978
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Schlage Lock Company
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Vernon A. Bartels
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES