Granted Patent
Utility
US 6,489,721 · App. 09/880,995
Control of leachable mercury in fluorescent lamps
Inventors:
Deborah Ann Haitko, John R. Fitzpatrick, Ronald Eric Maier, Stanlee Teresa Buddle
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Jun 14, 2001
Inventors
Deborah Ann Haitko
John R. Fitzpatrick
Ronald Eric Maier
Stanlee Teresa Buddle
Assignee (at issue)
General Electric Company
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.