Granted Patent
Utility
US 6,182,221 · App. 09/422,919
Remote identity verification technique using a personal identification device
Inventors:
Shi-Ping Hsu, James M. Ling, Arthur F. Messenger, Bruce W. Evans
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Oct 21, 1999
Inventors
Shi-Ping Hsu
James M. Ling
Arthur F. Messenger
Bruce W. Evans
Assignee (at issue)
TRW Limited
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.