Granted Patent
Utility
US 5,602,843 · App. 08/625,302
Integrated wired and wireless telecommunications system
Inventor:
Thomas A. Gray
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: Apr 1, 1996
Inventor
Thomas A. Gray
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.