Granted Patent
Utility
US 5,385,872 · App. 07/857,903
Ultraviolet absorbing green tinted glass
Inventors:
Joseph A. Gulotta, Larry J. Shelestak
Patented Case
View Patent ↗
Granted: Jan 31, 1995
Filed: Mar 26, 1992
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.