Granted Patent
Utility
US 6,551,953 · App. 08/742,426
Ultraviolet absorbing green tinted glass
Inventors:
Joseph A. Gulotta, Larry J. Shelestak
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Oct 30, 1996
Inventors
Joseph A. Gulotta
Larry J. Shelestak
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.