Granted Patent
Utility
US 4,614,362 · App. 06/670,572
Tamper resisting machine readable negotiable instruments and method of making and using same
Inventors:
Thomas J. Breen, Sylvester H. Slowik
Patented Case
View Patent ↗
Granted: Sep 30, 1986
Filed: Nov 13, 1984
Inventors
Thomas J. Breen
Sylvester H. Slowik
Assignee (at issue)
Rand McNally & Company
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.