IP Library Granted Patent US 4,907,228
Granted Patent Utility
US 4,907,228 · App. 07/093,584

Dual-rail processor with error checking at single rail interfaces

Inventors: William F. Bruckert, Thomas D. Bissett, Norbert H. Riegelhaupt
Patented Case View Patent ↗
Granted: Mar 6, 1990 Filed: Sep 4, 1987
Inventors
William F. Bruckert
Thomas D. Bissett
Norbert H. Riegelhaupt
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 4,907,228
App. No.
07/093,584
Filed
1987-09-04
Granted
1990-03-06
Kind
A