Granted Patent
Utility
US 5,231,474 · App. 07/917,524
Semiconductor device with doped electrical breakdown control region
Inventor:
Theodore G. Hollinger
Patented Case
View Patent ↗
Granted: Jul 27, 1993
Filed: Jul 17, 1992
Inventor
Theodore G. Hollinger
Assignee (at issue)
Advanced Power Technology 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.