Granted Patent
Utility
US 6,136,161 · App. 08/152,338
Fabrication of electrochromic device with plastic substrates
Inventors:
Phillip C. Yu, David L. Backfisch, John B. Slobodnik, Thomas G. Rukavina
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Nov 12, 1993
Inventors
Phillip C. Yu
David L. Backfisch
John B. Slobodnik
Thomas G. Rukavina
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.