Granted Patent
Utility
US 5,976,620 · App. 08/969,273
Coating solution applying method and apparatus
Inventors:
Masakazu Sanada, Minobu Matsunaga
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Nov 13, 1997
Inventors
Masakazu Sanada
Minobu Matsunaga
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.