Granted Patent
Utility
US 4,894,080 · App. 07/248,679
In-lehr glass sheet press bending using pressurized gas
Inventors:
Thomas J. Reese, Joseph Fisher
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: Sep 26, 1988
Inventors
Thomas J. Reese
Joseph Fisher
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.