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Inventor

YASUJI OGAWA

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WACOM CO., LTD

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OPTICAL POSITION DETECTING UNIT AND OPTICAL COORDINATE INPUT UNIT

08/330,457 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)

Filed Oct. 28, 1994

Examiner WENDY RAE GARBER

Class 348

Art Group 2613

Patent No. 5,572,251

Case Type Utility - 348/207000

Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362

Child 6-72553

Last Updated: 4 years, 2 months ago

Date	#	Transaction
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OPTICAL POSITION DETECTING UNIT AND OPTICAL COORDINATE INPUT UNIT

08/330,457 | U.S. Patent Application

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