Granted Patent
Utility
US 4,758,477 · App. 06/833,027
Laminate and process for its production
Inventors:
Shigeaki Okano, Katsuhiko Hayashi, Hidehito Kato
Patented Case
View Patent ↗
Granted: Jul 19, 1988
Filed: Feb 26, 1986
Inventors
Shigeaki Okano
Katsuhiko Hayashi
Hidehito Kato
Assignee (at issue)
Mitsubishi Chemical Industries, 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.