Granted Patent
Utility
US 5,215,812 · App. 07/493,802
Coated printing paper
Inventors:
Isao Kano, Hideki Fujiwara, Katsuhiko Matsunaga, Kunio Hata
Patented Case
View Patent ↗
Granted: Jun 1, 1993
Filed: Mar 15, 1990
Inventors
Isao Kano
Hideki Fujiwara
Katsuhiko Matsunaga
Kunio Hata
Assignee (at issue)
Jujo Paper 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.