Granted Patent
Utility
US 4,743,285 · App. 06/891,948
Glass bending apparatus with retractable belts and method for using same
Inventor:
Harold E. McKelvey
Patented Case
View Patent ↗
Granted: May 10, 1988
Filed: Jul 30, 1986
Inventor
Harold E. McKelvey
Assignee (at issue)
Shatterproof Glass Corp.
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.