Granted Patent
Utility
US 5,146,564 · App. 07/306,325
Interface between a system control unit and a service processing unit of a digital computer
Inventors:
Michael B. Evans, Rueysen Lin, Brian F. Rost, R. Stephen Polzin
Patented Case
View Patent ↗
Granted: Sep 8, 1992
Filed: Feb 3, 1989
Inventors
Michael B. Evans
Rueysen Lin
Brian F. Rost
R. Stephen Polzin
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.