Granted Patent
Utility
US 6,246,678 · App. 09/023,610
Data access server for PBX
Inventors:
Paul Andrew Erb, Brian MacIsaac
Patented Case
View Patent ↗
Granted: Jun 12, 2001
Filed: Feb 13, 1998
Inventors
Paul Andrew Erb
Brian MacIsaac
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.