IP Library › Granted Patent US 6,821,427
Granted Patent Utility Small
US 6,821,427 · Confirmation No. 5273

METHODS FOR REDUCING THE AMOUNT OF CONTAMINANTS IN WATER

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Quick Facts
Patent No.
US 6,821,427
App. No.
10/827,812
Filed
2004-04-20
Granted
2004-11-23
Pub. No.
US20040195185A1
Art Unit
1724
PTA
0 days