Granted Patent
Utility
US 4,865,639 · App. 07/216,018
Glass sheet bending mold
Inventor:
Masashi Kudo
Patented Case
View Patent ↗
Granted: Sep 12, 1989
Filed: Jul 7, 1988
Inventor
Masashi Kudo
Assignee (at issue)
ASAHI GLASS CO., LTD.
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.