Granted Patent
Utility
US 4,808,547 · App. 07/130,521
Method of fabrication of high voltage IC bopolar transistors operable to BV.sub.CBO
Inventor:
James D. Beasom
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: Dec 9, 1987
Inventor
James D. Beasom
Assignee (at issue)
HARRIS 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.