IP Library Granted Patent US 6,770,062
Granted Patent Utility
US 6,770,062 · App. 10/213,785

Automatic high negative pressure relief valve and chest drainage units using same

Inventors: Trinh Phung, Daniel A. Boardman
Patented Case View Patent ↗
Granted: Aug 3, 2004 Filed: Aug 7, 2002
Inventors
Trinh Phung
Daniel A. Boardman

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Quick Facts
Patent No.
US 6,770,062
App. No.
10/213,785
Filed
2002-08-07
Granted
2004-08-03
Kind
B2