Granted Patent
Utility
US 4,345,266 · App. 06/236,220
Transistor having improved turn-off time and second breakdown characteristics with bi-level emitter structure
Inventor:
King Owyang
Patented Case
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Granted: Aug 17, 1982
Filed: Feb 19, 1981
Inventor
King Owyang
Assignee (at issue)
General Electric Company
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.