Granted Patent
Utility
US 4,372,033 · App. 06/300,318
Method of making coplanar MOS IC structures
Inventor:
Samuel Y. Chiao
Patented Case
View Patent ↗
Granted: Feb 8, 1983
Filed: Sep 8, 1981
Inventor
Samuel Y. Chiao
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.