Granted Patent
Utility
US 4,847,804 · App. 07/166,814
Apparatus and method for data copy consistency in a multi-cache data processing unit
Inventors:
Stephen Shaffer, Richard A. Warren
Patented Case
View Patent ↗
Granted: Jul 11, 1989
Filed: Mar 1, 1988
Inventors
Stephen Shaffer
Richard A. Warren
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.