Granted Patent
Utility
US 4,965,872 · App. 07/249,038
MOS-enhanced, self-aligned lateral bipolar transistor made of a semiconductor on an insulator
Inventor:
Prahalad K. Vasudev
Patented Case
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Granted: Oct 23, 1990
Filed: Sep 26, 1988
Inventor
Prahalad K. Vasudev
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.