Granted Patent
Utility
US 5,030,893 · App. 07/370,912
Wall box dimming system and face plate and switch assembly therefor
Inventors:
Joel S. Spira, Michael J. D'Aleo, Denis Darragh
Patented Case
View Patent ↗
Granted: Jul 9, 1991
Filed: Jun 23, 1989
Inventors
Joel S. Spira
Michael J. D'Aleo
Denis Darragh
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.