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CALVIN Y.H. CHOW

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09/679,479 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)

Filed Oct. 4, 2000

Examiner THOMAS MCSHANE

Class 137

Art Group 3753

Patent No. 6,321,791

Case Type Utility - 137/833000

Status Patented Case

Parent 09/231,209 Patented

Parent 60/72,001 Expired

Child 09/877,222 Patented

Child 10/265,202 Patented

Child 10/675,567 Patented

Last Updated: 4 years, 2 months ago

Date	#	Transaction
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