Granted Patent
Utility
US 4,528,445 · App. 06/438,938
Head for optical card reader
Inventors:
James A. Willmore, Henry L. Miszkiewicz
Patented Case
View Patent ↗
Granted: Jul 9, 1985
Filed: Nov 3, 1982
Inventors
James A. Willmore
Henry L. Miszkiewicz
Assignee (at issue)
OPTO SYSTEM CO., 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.