Granted Patent
Utility
US 4,716,343 · App. 06/798,265
Constant illumination, remotely dimmable electronic ballast
Inventor:
John Lindquist
Patented Case
View Patent ↗
Granted: Dec 29, 1987
Filed: Nov 15, 1985
Inventor
John Lindquist
Assignee (at issue)
Universal Manufacturing Co.
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.