Granted Patent
Utility
US 5,124,832 · App. 07/415,001
Laminated and sealed electrochromic window
Inventors:
Charles B. Greenberg, Thomas G. Rukavina, David E. Singleton
Patented Case
View Patent ↗
Granted: Jun 23, 1992
Filed: Sep 29, 1989
Inventors
Charles B. Greenberg
Thomas G. Rukavina
David E. Singleton
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.