Granted Patent
Utility
US 5,498,924 · App. 08/486,742
Fluorescent lamp capable of operating on multiple ballast system
Inventor:
Donald P. Northrop
Patented Case
View Patent ↗
Granted: Mar 12, 1996
Filed: Jun 7, 1995
Inventor
Donald P. Northrop
Assignee (at issue)
Duro-Test Corporation
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.