IP Library › Granted Patent US 5,156,055
Granted Patent Utility
US 5,156,055 · App. 07/602,495

Ascent rate meter for SCUBA divers

Inventors: Robert R. Hollis, John E. Lewis
Patented Case View Patent ↗
Granted: Oct 20, 1992 Filed: Oct 24, 1990
Inventors
Robert R. Hollis
John E. Lewis
Assignee (at issue)
American Underwater Products

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Quick Facts
Patent No.
US 5,156,055
App. No.
07/602,495
Filed
1990-10-24
Granted
1992-10-20
Kind
A