Granted Patent
Utility
US 6,303,424 · App. 09/422,577
Method for fabricating a buried bit line in a DRAM cell
Inventors:
Robin Lee, Anchor Chen
Patented Case
View Patent ↗
Granted: Oct 16, 2001
Filed: Oct 21, 1999
Inventors
Robin Lee
Anchor Chen
Assignee (at issue)
WINBOND ELECTRONICS CORP.
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.