Granted Patent
Utility
US 5,178,659 · App. 07/663,174
Method of an apparatus for bend-shaping a glass plate and bending mold used for them
Inventors:
Yoshihiro Watanabe, Kenji Maeda
Patented Case
View Patent ↗
Granted: Jan 12, 1993
Filed: Mar 1, 1991
Inventors
Yoshihiro Watanabe
Kenji Maeda
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.