Granted Patent
Utility
US 4,523,370 · App. 06/558,252
Process for fabricating a bipolar transistor with a thin base and an abrupt base-collector junction
Inventors:
Paul A. Sullivan, George J. Collins
Patented Case
View Patent ↗
Granted: Jun 18, 1985
Filed: Dec 5, 1983
Inventors
Paul A. Sullivan
George J. Collins
Assignee (at issue)
NCR 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.