Granted Patent
Utility
US 4,333,057 · App. 06/133,254
Differential-input complementary field-effect transistor amplifier
Inventor:
Merle V. Hoover
Patented Case
View Patent ↗
Granted: Jun 1, 1982
Filed: Mar 24, 1980
Inventor
Merle V. Hoover
Assignee (at issue)
RCA Corporation
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.