Granted Patent
Utility
US 5,240,886 · App. 07/559,915
Ultraviolet absorbing, green tinted glass
Inventors:
Joseph A. Gulotta, Larry J. Shelestak
Patented Case
View Patent ↗
Granted: Aug 31, 1993
Filed: Jul 30, 1990
Inventors
Joseph A. Gulotta
Larry J. Shelestak
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.