Granted Patent
Utility
US 4,449,104 · App. 06/371,074
Circuit for controlling the output level of an electronic device
Inventors:
William C. Agnor, Edwin C. Lafferty, Samuel Toliver
Patented Case
View Patent ↗
Granted: May 15, 1984
Filed: Apr 23, 1982
Inventors
William C. Agnor
Edwin C. Lafferty
Samuel Toliver
Assignee (at issue)
General Electric Company
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.