Granted Patent
Utility
US 5,477,501 · App. 08/360,618
Semiconductor random access memory device having digit lines selectively extending on inter-level insulating layers
Inventor:
Hisamitsu Suzuki
Patented Case
View Patent ↗
Granted: Dec 19, 1995
Filed: Dec 21, 1994
Inventor
Hisamitsu Suzuki
Assignee (at issue)
NEC 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.