Granted Patent
Utility
US 5,349,669 · App. 08/012,618
Data write control means
Inventors:
Yasuo Arai, Hisatake Sato
Patented Case
View Patent ↗
Granted: Sep 20, 1994
Filed: Feb 2, 1993
Inventors
Yasuo Arai
Hisatake Sato
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.