Granted Patent
Utility
US 4,768,038 · App. 06/862,617
Thermal printhead integrated circuit device
Inventor:
Takuji Shibata
Patented Case
View Patent ↗
Granted: Aug 30, 1988
Filed: May 13, 1986
Inventor
Takuji Shibata
Assignee (at issue)
Konishiroku Photo Industry 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.