Granted Patent
Utility
US 5,054,069 · App. 07/574,147
Apparatus for scrambling/descrambling data by word-by-word processing
Inventors:
Takahiro Maeno, Yasunori Sato
Patented Case
View Patent ↗
Granted: Oct 1, 1991
Filed: Aug 28, 1990
Inventors
Takahiro Maeno
Yasunori 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.