Granted Patent
Utility
US 4,893,062 · App. 07/040,646
Wall box dimming system and face plate and switch assembly therefor
Inventors:
Michael J. D'Aleo, Joel S. Spira
Patented Case
View Patent ↗
Granted: Jan 9, 1990
Filed: Apr 21, 1987
Inventors
Michael J. D'Aleo
Joel S. Spira
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.