IP Library › Granted Patent US 5,971,938
Granted Patent Utility
US 5,971,938 · App. 08/974,300

Access device with expandable containment member

Inventors: Charles C. Hart, Richard C. Ewers
Patented Case View Patent ↗
Granted: Oct 26, 1999 Filed: Nov 19, 1997
Inventors
Charles C. Hart
Richard C. Ewers

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Quick Facts
Patent No.
US 5,971,938
App. No.
08/974,300
Filed
1997-11-19
Granted
1999-10-26
Kind
A