Granted Patent
Utility
US 4,904,609 · App. 07/190,903
Method of making symmetrical blocking high voltage breakdown semiconductor device
Inventor:
Victor A. K. Temple
Patented Case
View Patent ↗
Granted: Feb 27, 1990
Filed: May 6, 1988
Inventor
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.