Granted Patent
Utility
US 4,626,877 · App. 06/790,992
Heat-sensitive recording material
Inventors:
Naoto Arai, Tohru Yamamoto
Patented Case
View Patent ↗
Granted: Dec 2, 1986
Filed: Oct 24, 1985
Inventors
Naoto Arai
Tohru Yamamoto
Assignee (at issue)
Kanzaki Paper Manufacturing 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.