IP Library › Granted Patent US 4,627,832
Granted Patent Utility
US 4,627,832 · App. 06/608,137

Three stage intracranial pressure relief valve having single-piece valve stem

Inventors: Michael D. Hooven, Christian Sainte-Rose
Patented Case View Patent ↗
Granted: Dec 9, 1986 Filed: May 8, 1984
Inventors
Michael D. Hooven
Christian Sainte-Rose
Assignee (at issue)
CORDIS CORPORATION

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Quick Facts
Patent No.
US 4,627,832
App. No.
06/608,137
Filed
1984-05-08
Granted
1986-12-09
Kind
A