Granted Patent
Utility
US 5,908,702 · App. 08/829,948
Ultraviolet ray absorbing colored glass
Inventors:
Setsuko Mita, Toru Kudo, Mizuki Sasage, Shiro Tanii, Takashi Kijima
Patented Case
View Patent ↗
Granted: Jun 1, 1999
Filed: Apr 1, 1997
Inventors
Setsuko Mita
Toru Kudo
Mizuki Sasage
Shiro Tanii
Takashi Kijima
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.