Granted Patent
Utility
US 5,909,138 · App. 08/881,193
Fast isolated IGBT driver for high voltage switching circuitry
Inventor:
Gary B. Stendahl
Patented Case
View Patent ↗
Granted: Jun 1, 1999
Filed: Jun 24, 1997
Inventor
Gary B. Stendahl
Assignee (at issue)
SurVivaLink 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.