IP Library › Granted Patent US 6,644,781
Granted Patent Utility
US 6,644,781 · Confirmation No. 1798

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Quick Facts
Patent No.
US 6,644,781
App. No.
10/102,698
Filed
2002-03-22
Granted
2003-11-11
Pub. No.
US20020140770A1
Art Unit
2853
PTA
-58 days