Granted Patent
Utility
US 6,181,076 · App. 09/377,471
Apparatus and method for operating a high intensity gas discharge lamp ballast
Inventors:
Grigoriy A. Trestman, David L. Bay
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Aug 19, 1999
Inventors
Grigoriy A. Trestman
David L. Bay
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.