Granted Patent
Utility
US 5,916,366 · App. 08/944,229
Substrate spin treating apparatus
Inventors:
Tsutomu Ueyama, Akira Izumi, Hideki Adachi
Patented Case
View Patent ↗
Granted: Jun 29, 1999
Filed: Oct 6, 1997
Inventors
Tsutomu Ueyama
Akira Izumi
Hideki Adachi
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.