Granted Patent
Utility
US 5,013,976 · App. 07/456,715
Electrodeless glow discharge lamp
Inventor:
Scott J. Butler
Patented Case
View Patent ↗
Granted: May 7, 1991
Filed: Dec 26, 1989
Inventor
Scott J. Butler
Assignee (at issue)
GTE Products Corporation
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.