Granted Patent
Utility
US 5,197,092 · App. 07/606,523
Location registration system for a personal communicator such as a cellular telephone
Inventor:
Michael D. Bamburak
Patented Case
View Patent ↗
Granted: Mar 23, 1993
Filed: Oct 31, 1990
Inventor
Michael D. Bamburak
Assignee (at issue)
McCaw Cellular Communications, Inc.
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.