Granted Patent
Utility
US 4,253,105 · App. 06/165,760
Semiconductor power device incorporating a schottky barrier diode between base and emitter of a PNP device
Inventors:
John A. Olmstead, Sebastian W. Kessler, Jr.
Patented Case
View Patent ↗
Granted: Feb 24, 1981
Filed: Jul 3, 1980
Inventors
John A. Olmstead
Sebastian W. Kessler, Jr.
Assignee (at issue)
RCA 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.