Granted Patent
Utility
US 4,360,787 · App. 06/186,770
Digitally controlled wide ranch automatic gain control
Inventor:
Robert K. P. Galpin
Patented Case
View Patent ↗
Granted: Nov 23, 1982
Filed: Sep 12, 1980
Inventor
Robert K. P. Galpin
Assignee (at issue)
Plessey Overseas Limited
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.