Granted Patent
Utility
US 4,686,427 · App. 06/945,223
Fluorescent lamp dimming switch
Inventor:
Robert V. Burke
Patented Case
View Patent ↗
Granted: Aug 11, 1987
Filed: Dec 19, 1986
Inventor
Robert V. Burke
Assignee (at issue)
Magnetek, 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.