Granted Patent
Utility
US 4,626,267 · App. 06/776,279
Method and apparatus to reduce tip curl of a glass sheet on a bending mold
Inventors:
Thomas J. Reese, David B. Rayburn, William P. Cathers
Patented Case
View Patent ↗
Granted: Dec 2, 1986
Filed: Sep 16, 1985
Inventors
Thomas J. Reese
David B. Rayburn
William P. Cathers
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.