Granted Patent
Utility
US 4,375,978 · App. 06/279,411
Lightweight outline mold with low thermal inertia for shaping glass sheets
Inventors:
Thomas J. Reese, Stephen J. D. Jursa, Dean Thomas
Patented Case
View Patent ↗
Granted: Mar 8, 1983
Filed: Jul 1, 1981
Inventors
Thomas J. Reese
Stephen J. D. Jursa
Dean Thomas
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.