Granted Patent
Utility
US 4,513,301 · App. 06/558,817
Heat-sensitive recording material
Inventors:
Yukio Takayama, Akio Noguchi, Takao Matsushita
Patented Case
View Patent ↗
Granted: Apr 23, 1985
Filed: Dec 7, 1983
Inventors
Yukio Takayama
Akio Noguchi
Takao Matsushita
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.