Granted Patent
Utility
US 4,650,714 · App. 06/777,238
Ink jet recording sheet
Inventors:
Yutaka Kojima, Takashi Omori, Koichi Nagai
Patented Case
View Patent ↗
Granted: Mar 17, 1987
Filed: Sep 18, 1985
Inventors
Yutaka Kojima
Takashi Omori
Koichi Nagai
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.