Granted Patent
Utility
US 5,905,047 · App. 08/821,299
Dark gray colored glass
Inventors:
Mizuki Sasage, Takashi Kijima
Patented Case
View Patent ↗
Granted: May 18, 1999
Filed: Mar 20, 1997
Inventors
Mizuki Sasage
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.