IP Library › Granted Patent US 5,320,107
Granted Patent Utility
US 5,320,107 · App. 07/996,611

Spirometer with zone graph

Inventor: Kevin P. O'Brien
Patented Case View Patent ↗
Granted: Jun 14, 1994 Filed: Dec 24, 1992
Inventor
Kevin P. O'Brien

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Quick Facts
Patent No.
US 5,320,107
App. No.
07/996,611
Filed
1992-12-24
Granted
1994-06-14
Kind
A