Granted Patent
Utility
US 5,631,195 · App. 08/528,265
Glass composition and substrate for plasma display
Inventors:
Osamu Yanagisawa, Kenji Oda, Naoki Sugimoto, Yoshio Takegawa, Akira Takada, Hideyo Osada, Haruo Aizawa, Koji Miura
Patented Case
View Patent ↗
Granted: May 20, 1997
Filed: Sep 14, 1995
Inventors
Osamu Yanagisawa
Kenji Oda
Naoki Sugimoto
Yoshio Takegawa
Akira Takada
Hideyo Osada
Haruo Aizawa
Koji Miura
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.