Granted Patent
Utility
US 4,999,684 · App. 07/435,632
Symmetrical blocking high voltage breakdown semiconducotr device
Inventor:
Victor A. K. Temple
Patented Case
View Patent ↗
Granted: Mar 12, 1991
Filed: Nov 13, 1989
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.