Granted Patent
Utility
US 5,320,897 · App. 08/017,781
Ink jet recording paper and method of producing it
Inventors:
Hiromasa Kondo, Yoshitaka Okumura, Hiromichi Yasuda
Patented Case
View Patent ↗
Granted: Jun 14, 1994
Filed: Feb 16, 1993
Inventors
Hiromasa Kondo
Yoshitaka Okumura
Hiromichi Yasuda
Assignee (at issue)
Kanzaki Paper Manufacturing 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.