IP Library › Granted Patent US 6,820,992
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US 6,820,992 · Confirmation No. 1448

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Quick Facts
Patent No.
US 6,820,992
App. No.
10/242,716
Filed
2002-09-13
Granted
2004-11-23
Pub. No.
US20030072146A1
Art Unit
2875
PTA
0 days