IP Library › Granted Patent US 6,454,237
Granted Patent Utility
US 6,454,237 · App. 09/698,908

Air activated internal valve

Inventors: Bryan E. VanDeVyvere, Robert David Weichers, Brent Stewart Hanson
Patented Case View Patent ↗
Granted: Sep 24, 2002 Filed: Oct 27, 2000
Inventors
Bryan E. VanDeVyvere
Robert David Weichers
Brent Stewart Hanson
Assignee (at issue)
Delaware Capital Formation, Inc.

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Quick Facts
Patent No.
US 6,454,237
App. No.
09/698,908
Filed
2000-10-27
Granted
2002-09-24
Kind
B1