Granted Patent
Utility
US 4,509,207 · App. 06/511,803
UHF RF Amplifier and AGC system
Inventors:
Francis F. Tong, Harmon P. Vaughter
Patented Case
View Patent ↗
Granted: Apr 2, 1985
Filed: Jul 7, 1983
Inventors
Francis F. Tong
Harmon P. Vaughter
Assignee (at issue)
Zenith Electronics LLC
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.