IP Library Granted Patent US 5,469,463
Granted Patent Utility
US 5,469,463 · App. 07/700,112

Expert system for identifying likely failure points in a digital data processing system

Inventors: Herman Polich, James O. Nicholson, Larry W. Emlich
Patented Case View Patent ↗
Granted: Nov 21, 1995 Filed: May 8, 1991
Inventors
Herman Polich
James O. Nicholson
Larry W. Emlich
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,469,463
App. No.
07/700,112
Filed
1991-05-08
Granted
1995-11-21
Kind
A