Granted Patent
Utility
US 5,012,076 · App. 07/317,397
Transaction method wherein transaction amount is compared with account balance before ID is entered
Inventor:
Yasuhisa Yoshida
Patented Case
View Patent ↗
Granted: Apr 30, 1991
Filed: Mar 1, 1989
Inventor
Yasuhisa Yoshida
Assignee (at issue)
HITACHI, LTD.
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.