Granted Patent
Utility
US 4,501,061 · App. 06/499,747
Fluorine plasma oxidation of residual sulfur species
Inventor:
Gerald R. Wonnacott
Patented Case
View Patent ↗
Granted: Feb 26, 1985
Filed: May 31, 1983
Inventor
Gerald R. Wonnacott
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.