IP Library › Granted Patent US 6,691,975
Granted Patent Utility
US 6,691,975 · App. 10/188,506

Concrete tank seal cast

Inventor: Norman W. Gavin
Patented Case View Patent ↗
Granted: Feb 17, 2004 Filed: Jul 3, 2002
Inventor
Norman W. Gavin

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Quick Facts
Patent No.
US 6,691,975
App. No.
10/188,506
Filed
2002-07-03
Granted
2004-02-17
Kind
B1