Granted Patent
Utility
US 4,319,907 · App. 06/186,988
Method for bending and tempering an apertured glass sheet
Inventor:
Robert F. Pike
Patented Case
View Patent ↗
Granted: Mar 16, 1982
Filed: Sep 15, 1980
Inventor
Robert F. Pike
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.