Granted Patent
Utility
US 5,469,098 · App. 08/039,932
Isolated gate drive
Inventor:
Robert W. Johnson
Patented Case
View Patent ↗
Granted: Nov 21, 1995
Filed: Mar 29, 1993
Inventor
Robert W. Johnson
Assignee (at issue)
Exide Electronics 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.