Granted Patent
Utility
US 5,528,111 · App. 08/348,381
Ballast circuit for powering gas discharge lamp
Inventors:
John G. Konopka, Kenneth D. Labudda
Patented Case
View Patent ↗
Granted: Jun 18, 1996
Filed: Dec 2, 1994
Inventors
John G. Konopka
Kenneth D. Labudda
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.