Granted Patent
Utility
US 5,821,182 · App. 08/840,938
Hermetic sealing composition
Inventors:
Ryuichi Tanabe, Satoshi Rokudai, Yuichi Kuroki, Akira Nakamura
Patented Case
View Patent ↗
Granted: Oct 13, 1998
Filed: Apr 18, 1997
Inventors
Ryuichi Tanabe
Satoshi Rokudai
Yuichi Kuroki
Akira Nakamura
Assignees (at issue)
ASAHI GLASS CO., LTD.
Iwaki Glass Company 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.