Granted Patent
Utility
US 5,200,765 · App. 07/498,512
Apparatus and method for calibrating a grey level printhead
Inventor:
Hwai-Tzuu Tai
Patented Case
View Patent ↗
Granted: Apr 6, 1993
Filed: Mar 26, 1990
Inventor
Hwai-Tzuu Tai
Assignee (at issue)
EASTMAN KODAK COMPANY
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.