Granted Patent
Utility
US 4,721,986 · App. 06/878,196
Bidirectional output semiconductor field effect transistor and method for its maufacture
Inventor:
Daniel M. Kinzer
Patented Case
View Patent ↗
Granted: Jan 26, 1988
Filed: Jun 25, 1986
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.