Granted Patent
Utility
US 5,788,773 · App. 08/731,245
Substrate spin treating method and apparatus
Inventors:
Seiichiro Okuda, Kenji Sugimoto, Hiroshi Yoshii
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Oct 11, 1996
Inventors
Seiichiro Okuda
Kenji Sugimoto
Hiroshi Yoshii
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.