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Electronic promotional game
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Patent number 6,048,268
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Issue date Apr 11, 2000
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Advanced Promotion Technologies
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David R. Humble
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G07 - CHECKING-DEVICES
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Self-service distribution system
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Patent number 4,676,343
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Issue date Jun 30, 1987
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CheckRobot Inc.
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David R. Humble
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Reusable theft deterrent tag housing
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Patent number D274796
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Issue date Jul 24, 1984
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Sensormatic Electronics Corporation
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David R. Humble
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D10 - Measuring, testing, or signalling instruments
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Reusable security tag
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Patent number 3,995,900
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Issue date Dec 7, 1976
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Sensormatic Electronics Corporation
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David Raymond Humble
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Reusable security tag
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Patent number 3,942,829
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Issue date Mar 9, 1976
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Sensormatic Electronics Corporation
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David Raymond Humble
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Anti-theft security container
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Patent number 3,933,240
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Issue date Jan 20, 1976
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Sensormatic Electronics Corporation
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David R. Humble
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES