Granted Patent
Utility
US 4,774,197 · App. 06/875,111
Method of improving silicon dioxide
Inventors:
Sameer Haddad, Mong-Song Liang
Patented Case
View Patent ↗
Granted: Sep 27, 1988
Filed: Jun 17, 1986
Inventors
Sameer Haddad
Mong-Song Liang
Assignee (at issue)
Advanced Micro Devices, Inc.
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.