Granted Patent
Utility
US 4,496,824 · App. 06/472,993
Method for controlling temperature of heat generating element of thermal printing head and circuit for practising same
Inventors:
Hirokazu Kawai, Fumio Takahashi
Patented Case
View Patent ↗
Granted: Jan 29, 1985
Filed: Mar 7, 1983
Inventors
Hirokazu Kawai
Fumio Takahashi
Assignees (at issue)
Shinko Electric Co., Ltd.
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.