Granted Patent
Utility
US 6,299,062 · App. 09/186,207
Electronic cash system based on a blind certificate
Inventor:
Seong-Oun Hwang
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Nov 4, 1998
Inventor
Seong-Oun Hwang
Assignee (at issue)
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
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.