Granted Patent
Utility
US 5,247,541 · App. 07/872,322
Automatic equalizer for a data transmission channel
Inventor:
Toshihisa Nakai
Patented Case
View Patent ↗
Granted: Sep 21, 1993
Filed: Apr 23, 1992
Inventor
Toshihisa Nakai
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.