Granted Patent
Utility
US 4,650,976 · App. 06/743,144
Card processor with fail-safe card return upon power failure
Inventor:
Tomiyasu Hiraishi
Patented Case
View Patent ↗
Granted: Mar 17, 1987
Filed: Jun 10, 1985
Inventor
Tomiyasu Hiraishi
Assignee (at issue)
Omron Tateisi Electronics
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.