IP Library › Granted Patent US 5,978,460
Granted Patent Utility
US 5,978,460 · App. 08/941,555

Coin telephone data port protection

Inventors: Michael Lee Butts, Daniel W. Macauley
Patented Case View Patent ↗
Granted: Nov 2, 1999 Filed: Sep 30, 1997
Inventors
Michael Lee Butts
Daniel W. Macauley
Assignee (at issue)
LUCENT TECHNOLOGIES INC.

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Quick Facts
Patent No.
US 5,978,460
App. No.
08/941,555
Filed
1997-09-30
Granted
1999-11-02
Kind
A