Granted Patent
Utility
US 6,501,498 · App. 09/765,450
Thermal printer
Inventors:
Akira Takahashi, Hiroki Shiozawa
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Jan 22, 2001
Inventors
Akira Takahashi
Hiroki Shiozawa
Assignee (at issue)
Heiwa Tokei 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.