Granted Patent
Utility
US 6,594,759 · App. 09/222,368
Authorization firmware for conducting transactions with an electronic transaction system and methods therefor
Inventor:
Ynjiun P. Wang
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Dec 29, 1998
Inventor
Ynjiun P. Wang
Assignee (at issue)
Esignx Corporation
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.