IP Library › Granted Patent US 5,016,271
Granted Patent Utility
US 5,016,271 · App. 07/358,030

Echo canceler-suppressor speakerphone

Inventor: William A. Ford
Patented Case View Patent ↗
Granted: May 14, 1991 Filed: May 30, 1989
Inventor
William A. Ford
Assignee (at issue)
AT&T Bell Laboratories

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Quick Facts
Patent No.
US 5,016,271
App. No.
07/358,030
Filed
1989-05-30
Granted
1991-05-14
Kind
A