Granted Patent
Utility
US 6,759,001 · App. 09/859,283
Method for producing embossed poly(vinyl alcohol) film
Inventors:
Tomoyoshi Mizutani, Syuichi Kitamura, Kenji Hasegawa, Manabu Miyato, Hideki Oono
Patented Case
View Patent ↗
Granted: Jul 6, 2004
Filed: May 17, 2001
Inventors
Tomoyoshi Mizutani
Syuichi Kitamura
Kenji Hasegawa
Manabu Miyato
Hideki Oono
Assignee (at issue)
THE NIPPON SYNTHETIC CHEMICAL INDUSTRY 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.