Granted Patent
Utility
US 5,872,430 · App. 08/696,714
Single switch electronic ballast with low in-rush current
Inventor:
John G. Konopka
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Aug 14, 1996
Inventor
John G. Konopka
Assignee (at issue)
Motorola, 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.