Granted Patent
Utility
US 4,729,983 · App. 06/872,233
Heat-sensitive recording material
Inventors:
Toshimi Satake, Tomoaki Nagai, Fumio Fujimura
Patented Case
View Patent ↗
Granted: Mar 8, 1988
Filed: Jun 9, 1986
Inventors
Toshimi Satake
Tomoaki Nagai
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.