Granted Patent
Utility
US 6,819,918 · App. 09/824,082
IMSI conversion method
Inventors:
Terry D. Chin, Anita R. Garvert, Eric Harold Henrikson
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Apr 3, 2001
Inventors
Terry D. Chin
Anita R. Garvert
Eric Harold Henrikson
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.