Granted Patent
Utility
US 5,959,404 · App. 08/372,069
Starting aid for metal halide lamps
Inventors:
Edward H. Nortrup, James C. Morris
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: Jan 12, 1995
Inventors
Edward H. Nortrup
James C. Morris
Assignee (at issue)
OSRAM SYLVANIA 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.