Granted Patent
Utility
US 5,466,528 · App. 08/324,432
Chemically treated glass type substrates with vinyl polymer compatibility
Inventor:
Mikhail M. Girgis
Patented Case
View Patent ↗
Granted: Nov 14, 1995
Filed: Oct 17, 1994
Inventor
Mikhail M. Girgis
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.