Granted Patent
Utility
US 5,373,218 · App. 08/057,276
Toggle brightening circuit for powering gas discharge lamps and method for operating gas discharge lamps
Inventors:
John G. Konopka, Peter W. Shackle, J. Ray Wood
Patented Case
View Patent ↗
Granted: Dec 13, 1994
Filed: May 4, 1993
Inventors
John G. Konopka
Peter W. Shackle
J. Ray Wood
Assignee (at issue)
Motorola Lighting, 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.