Granted Patent
Utility
US 4,948,632 · App. 06/736,605
Alkytinfluoride composition for deposition of tin oxide films
Inventor:
J. Shannon Breininger
Patented Case
View Patent ↗
Granted: Aug 14, 1990
Filed: May 21, 1985
Inventor
J. Shannon Breininger
Assignee (at issue)
PPG Industries, 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.