Granted Patent
Utility
US 4,830,911 · App. 07/024,128
Recording sheet for ink jet printers
Inventors:
Yutaka Kojima, Takashi Omori
Patented Case
View Patent ↗
Granted: May 16, 1989
Filed: Mar 10, 1987
Inventors
Yutaka Kojima
Takashi Omori
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.