IP Library › Granted Patent US 5,459,461
Granted Patent Utility
US 5,459,461 · App. 08/098,851

Inflatable keyboard

Inventors: Robert J. Crowley, Donald N. Halgren
Patented Case View Patent ↗
Granted: Oct 17, 1995 Filed: Jul 29, 1993
Inventors
Robert J. Crowley
Donald N. Halgren

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Quick Facts
Patent No.
US 5,459,461
App. No.
08/098,851
Filed
1993-07-29
Granted
1995-10-17
Kind
A