Granted Patent
Utility
US 4,299,612 · App. 06/174,480
Apparatus and method for attenuating float glass
Inventor:
John E. Sensi
Patented Case
View Patent ↗
Granted: Nov 10, 1981
Filed: Aug 1, 1980
Inventor
John E. Sensi
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.