Granted Patent
Utility
US 6,493,553 · App. 09/344,583
Mobile-station adapted for removable user identity modules
Inventor:
Douglas Rollender
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Jun 25, 1999
Inventor
Douglas Rollender
Assignee (at issue)
LUCENT TECHNOLOGIES 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.