Granted Patent
Utility
US 4,296,320 · App. 06/138,652
Automatic gain control for radiation analyzer
Inventor:
Samuel Miller
Patented Case
View Patent ↗
Granted: Oct 20, 1981
Filed: Apr 8, 1980
Inventor
Samuel Miller
Assignee (at issue)
Victoreen, Inc.
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.