IP Library › Granted Patent US 6,719,004
Granted Patent Utility
US 6,719,004 · App. 10/206,725

Check valve floor drain

Inventors: Donald G. Huber, Allen I. Stakset
Patented Case View Patent ↗
Granted: Apr 13, 2004 Filed: Jul 25, 2002
Inventors
Donald G. Huber
Allen I. Stakset

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Quick Facts
Patent No.
US 6,719,004
App. No.
10/206,725
Filed
2002-07-25
Granted
2004-04-13
Kind
B2