Granted Patent
Utility
US 4,584,027 · App. 06/669,275
Twin well single mask CMOS process
Inventors:
Werner Metz, Hubert O. Hayworth
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Nov 7, 1984
Inventors
Werner Metz
Hubert O. Hayworth
Assignee (at issue)
NCR 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.