IP Library › Granted Patent US 6,779,554
Granted Patent Utility
US 6,779,554 · App. 10/471,325

Return check valve

Inventors: Christoph Weis, Martin Fangmeier
Patented Case View Patent ↗
Granted: Aug 24, 2004 Filed: Sep 9, 2003
Inventors
Christoph Weis
Martin Fangmeier
Assignee (at issue)
Dieter Wildfang GmbH

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Quick Facts
Patent No.
US 6,779,554
App. No.
10/471,325
Filed
2003-09-09
Granted
2004-08-24
Kind
B2