Granted Patent
Utility
US 4,367,124 · App. 06/279,757
Process for preparing lithographic printing plate bases
Inventors:
Nobuji Kikuchi, Yoshiyuki Kisaka, Kazuo Torige, Masayuki Onose
Patented Case
View Patent ↗
Granted: Jan 4, 1983
Filed: Jul 2, 1981
Inventors
Nobuji Kikuchi
Yoshiyuki Kisaka
Kazuo Torige
Masayuki Onose
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.