Granted Patent
Utility
US 5,339,271 · App. 07/846,205
Semiconductor memory circuit
Inventor:
Kouji Tanagawa
Patented Case
View Patent ↗
Granted: Aug 16, 1994
Filed: Mar 4, 1992
Inventor
Kouji Tanagawa
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.