Granted Patent
Utility
US 6,582,799 · App. 09/512,852
Laminated transparency
Inventors:
C. Edward Brown, William S. Cunningham, Michael T. Fecik, Vaughn R. Imler, Alana R. Zajdel, William B. Zimmerman
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Feb 25, 2000
Inventors
C. Edward Brown
William S. Cunningham
Michael T. Fecik
Vaughn R. Imler
Alana R. Zajdel
William B. Zimmerman
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.