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Evanston, IL, US
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Document camera
Patent number
7,929,050
Issue date
Apr 19, 2011
Epson America, Inc.
Ernie Liang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Document camera
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20090002548
Publication date
Jan 1, 2009
EPSON AMERICA, INC.
Ernie Liang
H04 - ELECTRIC COMMUNICATION TECHNIQUE