Granted Patent
Utility
US 4,390,964 · App. 06/185,422
Input/output subsystem using card reader-peripheral controller
Inventors:
Joseph F. Horky, Ronald J. Dockal
Patented Case
View Patent ↗
Granted: Jun 28, 1983
Filed: Sep 9, 1980
Inventors
Joseph F. Horky
Ronald J. Dockal
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.