Granted Patent
Utility
US 6,052,604 · App. 08/943,445
Exchange which controls M SIMs and N transceivers and method therefor
Inventors:
James William Bishop, Jr., Michael Frenzer, Stephen Magee, Larry Wuensch, Nathan West Miller, Richard Ditch
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Oct 3, 1997
Inventors
James William Bishop, Jr.
Michael Frenzer
Stephen Magee
Larry Wuensch
Nathan West Miller
Richard Ditch
Assignee (at issue)
Motorola, 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.