Granted Patent
Utility
US 5,150,017 · App. 07/722,024
High pressure sodium discharge lamp
Inventors:
Rudy Geens, Elliot F. Wyner
Patented Case
View Patent ↗
Granted: Sep 22, 1992
Filed: Jun 27, 1991
Inventors
Rudy Geens
Elliot F. Wyner
Assignees (at issue)
GTE Products Corporation
GTE Sylvania N.V.
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.