Granted Patent
Utility
US 4,590,551 · App. 06/608,272
Memory control circuit for subsystem controller
Inventor:
Ronald D. Mathews
Patented Case
View Patent ↗
Granted: May 20, 1986
Filed: May 7, 1984
Inventor
Ronald D. Mathews
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.