Granted Patent
Utility
US 5,882,237 · App. 08/833,256
Fluorescent lamp containing a mercury zinc amalgam and a method of manufacture
Inventors:
James Sarver, Duane A. Stafford, Steven C. Hansen, Timothy R. Brumleve
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Apr 4, 1997
Inventors
James Sarver
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.