Granted Patent
Utility
US 5,989,632 · App. 08/953,928
Coating solution applying method and apparatus
Inventors:
Masakazu Sanada, Masahiro Mimasaka
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Oct 20, 1997
Inventors
Masakazu Sanada
Masahiro Mimasaka
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.