Granted Patent
Utility
US 4,472,871 · App. 06/208,378
Method of making a plurality of MOSFETs having different threshold voltages
Inventors:
Robert S. Green, Harold W. Dozier, Vernon D. McKenny
Patented Case
View Patent ↗
Granted: Sep 25, 1984
Filed: Nov 19, 1980
Inventors
Robert S. Green
Harold W. Dozier
Vernon D. McKenny
Assignee (at issue)
Mostek 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.