Granted Patent
Utility
US 5,734,699 · App. 08/435,709
Cellular private branch exchanges
Inventors:
Priscilla Marilyn Lu, Timothy Richard White
Patented Case
View Patent ↗
Granted: Mar 31, 1998
Filed: May 4, 1995
Inventors
Priscilla Marilyn Lu
Timothy Richard White
Assignee (at issue)
InterWave Communications International Ltd.
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.