IP Library › Granted Patent US 4,851,195
Granted Patent Utility
US 4,851,195 · App. 07/086,423

Carbon dioxide sensor

Inventors: Richard S. Matthews, Frederick E. Witherell, Jr.
Patented Case View Patent ↗
Granted: Jul 25, 1989 Filed: Aug 17, 1987
Inventors
Richard S. Matthews
Frederick E. Witherell, Jr.
Assignee (at issue)
Pfizer Hospital Products Group, Inc.

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Quick Facts
Patent No.
US 4,851,195
App. No.
07/086,423
Filed
1987-08-17
Granted
1989-07-25
Kind
A