IP Library › Granted Patent US 5,680,442
Granted Patent Utility
US 5,680,442 · App. 08/353,281

Voice mail communication with call blocking

Inventors: Dale L. Bartholomew, Robert D. Farris
Patented Case View Patent ↗
Granted: Oct 21, 1997 Filed: Dec 5, 1994
Inventors
Dale L. Bartholomew
Robert D. Farris
Assignee (at issue)
Bell Atlantic Network Services

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Quick Facts
Patent No.
US 5,680,442
App. No.
08/353,281
Filed
1994-12-05
Granted
1997-10-21
Kind
A