Granted Patent
Utility
US 4,883,527 · App. 07/249,718
Glass sheet bending and tempering apparatus
Inventors:
Harold A. McMaster, Norman C. Nitschke, Dexter H. McMaster, Ronald A. McMaster
Patented Case
View Patent ↗
Granted: Nov 28, 1989
Filed: Sep 27, 1988
Inventors
Harold A. McMaster
Norman C. Nitschke
Dexter H. McMaster
Ronald A. McMaster
Assignee (at issue)
Glasstech International L.P.
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.