Granted Patent
Utility
US 5,990,635 · App. 09/102,296
Multi-zone lighting control system
Inventors:
Jonathan H. Ference, Donald F. Hausman, Jr., John F. Loar, Robert S. Spehalski, Walter S. Zaharchuk
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Jun 22, 1998
Inventors
Jonathan H. Ference
Donald F. Hausman, Jr.
John F. Loar
Robert S. Spehalski
Walter S. Zaharchuk
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.