Granted Patent
Utility
US 5,172,137 · App. 07/797,901
Thermal printer
Inventors:
Takayasu Hongo, Setsuo Sasabe, Kenichi Fujii, Eiji Hirao, Kazuya Beesho
Patented Case
View Patent ↗
Granted: Dec 15, 1992
Filed: Nov 26, 1991
Inventors
Takayasu Hongo
Setsuo Sasabe
Kenichi Fujii
Eiji Hirao
Kazuya Beesho
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.