Granted Patent
Utility
US 5,751,523 · App. 08/715,873
Secondary ground fault protected luminous tube transformer for mid-point connected luminous tubes
Inventors:
Gerald L. Ballard, William L. Brosius
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Sep 19, 1996
Inventors
Gerald L. Ballard
William L. Brosius
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.