Granted Patent
Utility
US 6,791,254 · App. 10/044,907
Fluorescent lamp containing a mercury zinc amalgam and a method of manufacture
Inventors:
Duane A. Stafford, Steven C. Hansen, Timothy R. Brumleve
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Jan 15, 2002
Inventors
Duane A. Stafford
Steven C. Hansen
Timothy R. Brumleve
Assignee (at issue)
Advanced Lighting Technologies, 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.