Granted Patent
Utility
US 6,141,564 · App. 09/409,359
Method of sharing a SIM card between two masters
Inventors:
John David Bruner, Eric Payne, RICHARD A. PACE, Nathaniel David Roberts
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Sep 30, 1999
Inventors
John David Bruner
Eric Payne
RICHARD A. PACE
Nathaniel David Roberts
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.