Granted Patent
Utility
US 6,715,422 · App. 10/155,121
Plate producing apparatus having controller for controlling cassette selection assembly
Inventor:
Masahiro Nishida
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: May 28, 2002
Inventor
Masahiro Nishida
Assignee (at issue)
DAINIPPON SCREEN MFG. 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.