Granted Patent
Utility
US 4,454,523 · App. 06/248,814
High voltage field effect transistor
Inventor:
Lorimer K. Hill
Patented Case
View Patent ↗
Granted: Jun 12, 1984
Filed: Mar 30, 1981
Inventor
Lorimer K. Hill
Assignee (at issue)
SILICONIX INCORPORATED
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.