Granted Patent
Utility
US 5,808,345 · App. 08/784,418
High speed IGBT
Inventor:
Daniel M. Kinzer
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Jan 16, 1997
Inventor
Daniel M. Kinzer
Assignee (at issue)
International Rectifier 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.