Granted Patent
Utility
US 5,302,313 · App. 07/984,241
Halogenated hydrocarbon solvents
Inventors:
Teruo Asano, Naohiro Watanabe, Kazuki Jinushi, Shunichi Samejima
Patented Case
View Patent ↗
Granted: Apr 12, 1994
Filed: Dec 1, 1992
Inventors
Teruo Asano
Naohiro Watanabe
Kazuki Jinushi
Shunichi Samejima
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.