Granted Patent
Utility
US 4,871,905 · App. 07/252,930
IC card reader/writer
Inventors:
Katsuya Mita, Yutaka Machida, Muneki Morishita
Patented Case
View Patent ↗
Granted: Oct 3, 1989
Filed: Oct 4, 1988
Inventors
Katsuya Mita
Yutaka Machida
Muneki Morishita
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.