Granted Patent
Utility
US 6,268,304 · App. 09/300,311
Plate glass and substrate glass for electronics
Inventors:
Kei Maeda, Seiki Ohara, Yasumasa Nakao
Patented Case
View Patent ↗
Granted: Jul 31, 2001
Filed: Apr 28, 1999
Inventors
Kei Maeda
Seiki Ohara
Yasumasa Nakao
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.