Granted Patent
Utility
US 5,645,939 · App. 08/457,537
Surface-treated substrate
Inventors:
Takashige Yoneda, Tsuneo Wakabayashi, Yukiko Takano
Patented Case
View Patent ↗
Granted: Jul 8, 1997
Filed: Jun 1, 1995
Inventors
Takashige Yoneda
Tsuneo Wakabayashi
Yukiko Takano
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.