Granted Patent
Utility
US 4,825,075 · App. 07/079,848
Non-electronic gain control
Inventors:
Elliot G. Jacoby, Stephen J. Yuhasz, Noel Mayo
Patented Case
View Patent ↗
Granted: Apr 25, 1989
Filed: Jul 30, 1987
Inventors
Elliot G. Jacoby
Stephen J. Yuhasz
Noel Mayo
Assignee (at issue)
Lutron Electronics Co., 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.