Granted Patent
Utility
US 4,590,499 · App. 06/762,918
Heat-sensitive recording sheet
Inventors:
Fumio Fujimura, Toshimi Satake, Manabu Mori, Toshiaki Minami, Tadakazu Fukuchi
Patented Case
View Patent ↗
Granted: May 20, 1986
Filed: Aug 5, 1985
Inventors
Fumio Fujimura
Toshimi Satake
Manabu Mori
Toshiaki Minami
Tadakazu Fukuchi
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.