Granted Patent
Utility
US 4,438,157 · App. 06/396,995
Process for forming MNOS dual dielectric structure
Inventor:
Roberto Romano-Moran
Patented Case
View Patent ↗
Granted: Mar 20, 1984
Filed: Jul 12, 1982
Inventor
Roberto Romano-Moran
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.