IP Library › Granted Patent US 5,642,109
Granted Patent Utility
US 5,642,109 · App. 08/581,316

Flexible inflatable multi-chamber signal generator

Inventors: Robert J. Crowley, Donald N. Halgren
Patented Case View Patent ↗
Granted: Jun 24, 1997 Filed: Dec 29, 1995
Inventors
Robert J. Crowley
Donald N. Halgren

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Quick Facts
Patent No.
US 5,642,109
App. No.
08/581,316
Filed
1995-12-29
Granted
1997-06-24
Kind
A