Granted Patent
Utility
US 5,671,391 · App. 08/710,052
Coherent copyback protocol for multi-level cache memory systems
Inventor:
Brian W. Knotts
Patented Case
View Patent ↗
Granted: Sep 23, 1997
Filed: Sep 10, 1996
Inventor
Brian W. Knotts
Assignee (at issue)
NCR 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.