Granted Patent
Utility
US 6,346,174 · App. 08/508,408
Durable sputtered metal oxide coating
Inventors:
James J. Finley, Mehran Arbab
Patented Case
View Patent ↗
Granted: Feb 12, 2002
Filed: Jul 28, 1995
Inventors
James J. Finley
Mehran Arbab
Assignee (at issue)
PPG Industries Ohio, 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.