Granted Patent
Utility
US 5,138,274 · App. 07/707,455
Linear amplifier circuit
Inventors:
Eiichi Nakanishi, Tetsuo Onodera
Patented Case
View Patent ↗
Granted: Aug 11, 1992
Filed: May 30, 1991
Inventors
Eiichi Nakanishi
Tetsuo Onodera
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.