Granted Patent
Utility
US 6,072,284 · App. 09/118,974
Three-way compact fluorescent lamp ballast and lamp holder incorporating same
Inventor:
Lin Lin
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Jul 20, 1998
Inventor
Lin Lin
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.