Granted Patent
Utility
US 6,370,517 · App. 09/072,455
Electronic money card, electronic money receiving/paying machine, and electronic money card editing device
Inventors:
Yasushi Yanagihara, Chie Hayami
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: May 5, 1998
Inventors
Yasushi Yanagihara
Chie Hayami
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.