Granted Patent
Utility
US 6,455,136 · App. 09/619,280
Film for ink jet recording sheet
Inventors:
Nariaki Okajima, Yoshio Shimizu
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Jul 19, 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.