IP Library › Granted Patent US 4,648,110
Granted Patent Utility
US 4,648,110 · App. 06/715,145

Circuit arrangement for a voice-controlled hands-free telephone facility

Inventor: Martin Elsasser
Patented Case View Patent ↗
Granted: Mar 3, 1987 Filed: Mar 22, 1985
Inventor
Martin Elsasser
Assignee (at issue)
International Standard Electric Corporation

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Quick Facts
Patent No.
US 4,648,110
App. No.
06/715,145
Filed
1985-03-22
Granted
1987-03-03
Kind
A