Granted Patent
Utility
US 4,267,260 · App. 05/706,600
Developer for lithographic printing plate
Inventors:
Konoe Miura, Chihiro Eguchi, Yoshihiro Takahashi, Akinobu Oshima, Kazuo Torige, Shinichi Bunya
Patented Case
View Patent ↗
Granted: May 12, 1981
Filed: Jul 19, 1976
Inventors
Konoe Miura
Chihiro Eguchi
Yoshihiro Takahashi
Akinobu Oshima
Kazuo Torige
Shinichi Bunya
Assignee (at issue)
Mitsubishi Chemical Industries, 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.