IP Library › Granted Patent US 6,641,253
Granted Patent Utility
US 6,641,253 · Confirmation No. 3982

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2002-11-12 SPEC Specification 27 View
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Quick Facts
Patent No.
US 6,641,253
App. No.
10/291,705
Filed
2002-11-12
Granted
2003-11-04
Pub. No.
US20030090538A1
Art Unit
2861
PTA
0 days