Granted Patent
Utility
US 4,433,269 · App. 06/443,581
Air fireable ink
Inventor:
Nicholas W. Kay
Patented Case
View Patent ↗
Granted: Feb 21, 1984
Filed: Nov 22, 1982
Inventor
Nicholas W. Kay
Assignee (at issue)
Burroughs, Inc.
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.