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Wrist rest
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Patent number 5,451,020
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Issue date Sep 19, 1995
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Silicon Sports, Inc.
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Mark R. Smith
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G06 - COMPUTING CALCULATING COUNTING
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Wrist rest
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Patent number 5,358,203
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Issue date Oct 25, 1994
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Silicon Sports, Inc.
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Mark R. Smith
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G06 - COMPUTING CALCULATING COUNTING
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Wrist rest
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Patent number 5,197,699
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Issue date Mar 30, 1993
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Silicon Sports
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Mark R. Smith
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G06 - COMPUTING CALCULATING COUNTING