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Computer mouse pad
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Patent number 6,143,395
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Issue date Nov 7, 2000
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Robert C. Perry
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G06 - COMPUTING CALCULATING COUNTING
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Security anchor
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Patent number 5,988,584
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Issue date Nov 23, 1999
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Robert C. Perry
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Cable security device
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Patent number 5,279,136
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Issue date Jan 18, 1994
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Robert C. Perry
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Security apparatus
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Patent number 4,979,382
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Issue date Dec 25, 1990
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Robert C. Perry
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES