Granted Patent
Utility
US 6,403,224 · App. 09/591,729
Coated film
Inventors:
Nariaki Okajima, Yoshio Shimizu
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Jun 12, 2000
Inventors
Nariaki Okajima
Yoshio Shimizu
Assignee (at issue)
Mitsubishi Polyester Film GmbH
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.