Granted Patent
Utility
US 5,394,368 · App. 08/050,231
Semiconductor memory device
Inventor:
Sampei Miyamoto
Patented Case
View Patent ↗
Granted: Feb 28, 1995
Filed: Jun 21, 1993
Inventor
Sampei Miyamoto
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.