Granted Patent
Utility
US 6,637,336 · App. 09/975,509
Method for producing printing plate, reusing method for printing plate, and printing machine
Inventors:
Yasuharu Suda, Hitoshi Isono, Hiroaki Ikeda
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Oct 12, 2001
Inventors
Yasuharu Suda
Hitoshi Isono
Hiroaki Ikeda
Assignee (at issue)
MITSUBISHI ELECTRIC CORPORATION
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.