Granted Patent
Utility
US 5,298,781 · App. 07/910,864
Vertical current flow field effect transistor with thick insulator over non-channel areas
Inventors:
Adrian I. Cogan, Richard A. Blanchard
Patented Case
View Patent ↗
Granted: Mar 29, 1994
Filed: Jul 8, 1992
Inventors
Adrian I. Cogan
Richard A. Blanchard
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.