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Steven V. Case
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Northfield, MN, US
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last 30 patents
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Patent Grant
Interactive devices and methods
Patent number
6,285,757
Issue date
Sep 4, 2001
ViA, Inc.
David W. Carroll
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Touch screen systems and methods
Patent number
6,121,960
Issue date
Sep 19, 2000
ViA, Inc.
David W. Carroll
G06 - COMPUTING CALCULATING COUNTING