Granted Patent
Utility
US 5,635,799 · App. 08/644,209
Lamp protection circuit for electronic ballasts
Inventor:
Bryce L. Hesterman
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: May 10, 1996
Inventor
Bryce L. Hesterman
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.