Granted Patent
Utility
US 4,371,950 · App. 06/163,271
Peripheral control interface circuit for train printer-data link processor
Inventor:
David P. Chadra
Patented Case
View Patent ↗
Granted: Feb 1, 1983
Filed: Jun 26, 1980
Inventor
David P. Chadra
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.