Granted Patent
Utility
US 4,590,500 · App. 06/642,788
Heat-sensitive recording sheet
Inventors:
Toshimi Satake, Yoshihide Kimura, Fumio Fujimura
Patented Case
View Patent ↗
Granted: May 20, 1986
Filed: Aug 21, 1984
Inventors
Toshimi Satake
Yoshihide Kimura
Fumio Fujimura
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.