Granted Patent
Utility
US 5,984,540 · App. 08/997,083
Developing apparatus and developing method
Inventors:
Masahiro Mimasaka, Minobu Matsunaga, Akiko Tanaka, Koji Uchitani
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Dec 23, 1997
Inventors
Masahiro Mimasaka
Minobu Matsunaga
Akiko Tanaka
Koji Uchitani
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.