Granted Patent
Utility
US 6,661,173 · App. 09/963,760
Quartz arc tube for a metal halide lamp and method of making same
Inventors:
William D. Koenigsberg, Miguel Galvez, Gregory Zaslavsky, Zeya K. Krasko, Joseph V. Lima
Patented Case
View Patent ↗
Granted: Dec 9, 2003
Filed: Sep 26, 2001
Inventors
William D. Koenigsberg
Miguel Galvez
Gregory Zaslavsky
Zeya K. Krasko
Joseph V. Lima
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.