Granted Patent
Utility
US 6,317,657 · App. 09/136,254
Method to battery back up SDRAM data on power failure
Inventor:
Geeta George
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Aug 18, 1998
Inventor
Geeta George
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.