Granted Patent
Utility
US 6,717,839 · App. 10/404,941
Bit-line shielding method for ferroelectric memories
Inventor:
Xiao Hong Du
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Mar 31, 2003
Inventor
Xiao Hong Du
Assignee (at issue)
RAMTRON INTERNATIONAL 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.