IP Library Granted Patent US 4,090,139
Granted Patent Utility
US 4,090,139 · App. 05/774,274

Complementary symmetry FET mixer circuits

Inventor: Merle V. Hoover
Patented Case View Patent ↗
Granted: May 16, 1978 Filed: Mar 4, 1977
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.

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Quick Facts
Patent No.
US 4,090,139
App. No.
05/774,274
Filed
1977-03-04
Granted
1978-05-16
Kind
A