Granted Patent
Utility
US 6,574,709 · App. 09/410,168
System, apparatus, and method providing cache data mirroring to a data storage system
Inventors:
Joseph G. Skazinski, Noel Simen Otterness
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Sep 30, 1999
Inventors
Joseph G. Skazinski
Noel Simen Otterness
Assignee (at issue)
International Business Machines 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.