Granted Patent
Utility
US 5,072,266 · App. 07/290,546
Trench DMOS power transistor with field-shaping body profile and three-dimensional geometry
Inventors:
Constantin Bulucea, Rebecca Rossen
Patented Case
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Granted: Dec 10, 1991
Filed: Dec 27, 1988
Inventors
Constantin Bulucea
Rebecca Rossen
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.