Granted Patent
Utility
US 5,396,153 · App. 08/164,243
Protection circuit for electronic ballasts which use charge pump power factor correction
Inventor:
Peter W. Shackle
Patented Case
View Patent ↗
Granted: Mar 7, 1995
Filed: Dec 9, 1993
Inventor
Peter W. Shackle
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.