Granted Patent
Utility
US 4,947,225 · App. 07/073,591
Sub-micron devices with method for forming sub-micron contacts
Inventor:
Frank Z. Custode
Patented Case
View Patent ↗
Granted: Aug 7, 1990
Filed: Jul 15, 1987
Inventor
Frank Z. Custode
Assignee (at issue)
Rockwell International 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.