Granted Patent
Utility
US 4,293,928 · App. 06/103,452
Peripheral dependent circuit for peripheral controller
Inventor:
Kenneth W. Baun
Patented Case
View Patent ↗
Granted: Oct 6, 1981
Filed: Dec 14, 1979
Inventor
Kenneth W. Baun
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.