Granted Patent
Utility
US 5,940,488 · App. 08/749,656
Telecommunication management system and user interface
Inventors:
Brad DeGrazia, Phillip A. Escobar
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Nov 15, 1996
Inventors
Brad DeGrazia
Phillip A. Escobar
Assignee (at issue)
Active Voice Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.