Granted Patent
Utility
US 4,569,049 · App. 06/493,109
Diagnostic system for a digital computer
Inventor:
Robert McNamara
Patented Case
View Patent ↗
Granted: Feb 4, 1986
Filed: May 9, 1983
Inventor
Robert McNamara
Assignee (at issue)
Digital Equipment 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.