Granted Patent
Utility
US 5,260,903 · App. 07/834,374
Semiconductor memory device
Inventors:
Junichi Suyama, Yoshihiro Murashima
Patented Case
View Patent ↗
Granted: Nov 9, 1993
Filed: Feb 12, 1992
Inventors
Junichi Suyama
Yoshihiro Murashima
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.