Granted Patent
Utility
US 6,166,122 · App. 09/189,401
Alumina hydrate coating fluid, recording sheet and recorded product
Inventors:
Toshihiro Tanuma, Toshiya Matsubara
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Nov 10, 1998
Inventors
Toshihiro Tanuma
Toshiya Matsubara
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.