Granted Patent
Utility
US 4,896,196 · App. 07/243,166
Vertical DMOS power transistor with an integral operating condition sensor
Inventors:
Richard A. Blanchard, David Cooper
Patented Case
View Patent ↗
Granted: Jan 23, 1990
Filed: Sep 8, 1988
Inventors
Richard A. Blanchard
David Cooper
Assignee (at issue)
SILICONIX INCORPORATED
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.