Granted Patent
Utility
US 4,496,908 · App. 06/387,810
Negative feedback amplifier having GaAs FET's
Inventors:
Isamu Takano, Norihisa Ohta
Patented Case
View Patent ↗
Granted: Jan 29, 1985
Filed: Jun 14, 1982
Inventors
Isamu Takano
Norihisa Ohta
Assignee (at issue)
NIPPON ELECTRIC 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.