Granted Patent
Utility
US 6,625,704 · App. 09/923,384
Data backup method and system using snapshot and virtual tape
Inventor:
Alexander Winokur
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Aug 8, 2001
Inventor
Alexander Winokur
Assignee (at issue)
SANgate Systems, Inc.
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.