Granted Patent
Utility
US 4,935,868 · App. 07/276,602
Multiple port bus interface controller with slave bus
Inventor:
Keith B. DuLac
Patented Case
View Patent ↗
Granted: Jun 19, 1990
Filed: Nov 28, 1988
Inventor
Keith B. DuLac
Assignee (at issue)
NCR Corporation
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.