Granted Patent
Utility
US 5,982,767 · App. 08/827,161
Merged telephone and data network
Inventor:
Evan M. McIntosh
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Mar 27, 1997
Inventor
Evan M. McIntosh
Assignee (at issue)
Mitel 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.