Granted Patent
Utility
US 6,669,809 · App. 09/791,793
Apparatus for removing a coating film
Inventors:
Yoshiaki Hashimoto, Yasuyuki Sato
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: Feb 26, 2001
Inventors
Yoshiaki Hashimoto
Yasuyuki Sato
Assignee (at issue)
NEC LCD Technologies, 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.