Granted Patent
Utility
US 5,065,111 · App. 07/535,029
Differential amplifying circuit operable at high speed
Inventors:
Akinori Tsukuda, Masahisa Nemoto, Haruo Mori
Patented Case
View Patent ↗
Granted: Nov 12, 1991
Filed: Jun 8, 1990
Inventors
Akinori Tsukuda
Masahisa Nemoto
Haruo Mori
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.