IP Library › Granted Patent US 5,844,978
Granted Patent Utility
US 5,844,978 · App. 08/783,537

Multi-user telephone line

Inventors: Ronald S. Reuss, Janine M. Irwin
Patented Case View Patent ↗
Granted: Dec 1, 1998 Filed: Jan 14, 1997
Inventors
Ronald S. Reuss
Janine M. Irwin
Assignee (at issue)
BellSouth Corporation

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Quick Facts
Patent No.
US 5,844,978
App. No.
08/783,537
Filed
1997-01-14
Granted
1998-12-01
Kind
A