Granted Patent
Utility
US 6,487,290 · App. 09/300,870
Call routing based on local status evaluation
Inventor:
Richard J. Le Grand
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Apr 28, 1999
Inventor
Richard J. Le Grand
Assignee (at issue)
Periphonics 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.