Granted Patent
Utility
US 4,508,556 · App. 06/616,764
Method and apparatus for bending glass sheets to complicated shapes including an S-shaped transverse bend
Inventors:
Terry A. Bennett, George R. Claassen, William B. Zimmerman
Patented Case
View Patent ↗
Granted: Apr 2, 1985
Filed: Jun 4, 1984
Inventors
Terry A. Bennett
George R. Claassen
William B. Zimmerman
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.