Granted Patent
Utility
US 5,648,288 · App. 08/281,314
Threshold adjustment in field effect semiconductor devices
Inventors:
Richard K. Williams, Michael E. Cornell
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Jul 27, 1994
Inventors
Richard K. Williams
Michael E. Cornell
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.