Granted Patent
Utility
US 4,466,562 · App. 06/331,104
Method of and apparatus for severing a glass sheet
Inventor:
Robert P. DeTorre
Patented Case
View Patent ↗
Granted: Aug 21, 1984
Filed: Dec 15, 1981
Inventor
Robert P. DeTorre
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.