Granted Patent
Utility
US 4,927,772 · App. 07/358,057
Method of making high breakdown voltage semiconductor device
Inventors:
Stephen Daley Arthur, Victor A. K. Temple
Patented Case
View Patent ↗
Granted: May 22, 1990
Filed: May 30, 1989
Inventors
Stephen Daley Arthur
Victor A. K. Temple
Assignee (at issue)
General Electric Company
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.