Granted Patent
Utility
US 6,582,787 · App. 09/412,501
Container for photoresist liquid
Inventors:
Keiji Kawai, Yoshiaki Ito
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Oct 5, 1999
Inventors
Keiji Kawai
Yoshiaki Ito
Assignee (at issue)
AICELLO CHEMICAL 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.