Granted Patent
Utility
US 5,482,768 · App. 08/242,675
Surface-treated substrate and process for its production
Inventors:
Takeshi Kawasato, Kazuya Hiratsuka, Takashige Yoneda, Tsuneo Wakabayashi, Fumiaki Gunji
Patented Case
View Patent ↗
Granted: Jan 9, 1996
Filed: May 13, 1994
Inventors
Takeshi Kawasato
Kazuya Hiratsuka
Takashige Yoneda
Tsuneo Wakabayashi
Fumiaki Gunji
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.