IP Library › Granted Patent US 5,247,571
Granted Patent Utility
US 5,247,571 · App. 07/843,040

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Inventors: William A. Kay, Von K. McConnell
Patented Case View Patent ↗
Granted: Sep 21, 1993 Filed: Feb 29, 1992
Inventors
William A. Kay
Von K. McConnell
Assignee (at issue)
Bell Atlantic Network Services

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Quick Facts
Patent No.
US 5,247,571
App. No.
07/843,040
Filed
1992-02-29
Granted
1993-09-21
Kind
A