Granted Patent
Utility
US 6,230,235 · App. 09/163,074
Address lookup DRAM aging
Inventors:
Hsuehchung Shelton Lu, David Keene
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Sep 29, 1998
Inventors
Hsuehchung Shelton Lu
David Keene
Assignee (at issue)
Apache 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.