IP Library › Granted Patent US 4,500,311
Granted Patent Utility
US 4,500,311 · App. 06/469,060

External ventricular drainage assembly

Inventors: Russell J. Redmond, Jessica B. Ash
Patented Case View Patent ↗
Granted: Feb 19, 1985 Filed: Feb 23, 1983
Inventors
Russell J. Redmond
Jessica B. Ash
Assignee (at issue)
American Hospital Supply Corp.

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Quick Facts
Patent No.
US 4,500,311
App. No.
06/469,060
Filed
1983-02-23
Granted
1985-02-19
Kind
A