Granted Patent
Utility
US 6,563,754 · App. 09/781,524
DRAM circuit with separate refresh memory
Inventors:
Chuen-Der Lien, Chau-Chin Wu
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Feb 8, 2001
Inventors
Chuen-Der Lien
Chau-Chin Wu
Assignee (at issue)
Integrated Device Technology, 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.