Granted Patent
Utility
US 4,687,501 · App. 06/854,240
Lightweight bending iron heat shields for glass bending molds
Inventor:
Thomas J. Reese
Patented Case
View Patent ↗
Granted: Aug 18, 1987
Filed: Apr 21, 1986
Inventor
Thomas J. Reese
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.