Granted Patent
Utility
US 5,882,371 · App. 08/891,032
Method for heat-treating a glass substrate
Inventors:
Seiji Miyazaki, Manabu Nishizawa, Kei Maeda
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Jul 10, 1997
Inventors
Seiji Miyazaki
Manabu Nishizawa
Kei 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.