Granted Patent
Utility
US 4,411,019 · App. 06/342,277
AGC System for television receivers
Inventor:
Jouke N. Rypkema
Patented Case
View Patent ↗
Granted: Oct 18, 1983
Filed: Jan 25, 1982
Inventor
Jouke N. Rypkema
Assignee (at issue)
Zenith Radio 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.