IP Library › Granted Patent US 4,596,015
Granted Patent Utility
US 4,596,015 · App. 06/750,660

Failure detection apparatus for use with digital pads

Inventors: John L. Clements, Stig E. Magnusson
Patented Case View Patent ↗
Granted: Jun 17, 1986 Filed: Jul 1, 1985
Inventors
John L. Clements
Stig E. Magnusson
Assignee (at issue)
GTE Automatic Electric Incorporated

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Quick Facts
Patent No.
US 4,596,015
App. No.
06/750,660
Filed
1985-07-01
Granted
1986-06-17
Kind
A