Granted Patent
Utility
US 5,451,435 · App. 08/287,452
Method for forming dielectric
Inventor:
Chen-Hua Yu
Patented Case
View Patent ↗
Granted: Sep 19, 1995
Filed: Aug 8, 1994
Inventor
Chen-Hua Yu
Assignee (at issue)
AT&T CORP.
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.