Granted Patent
Utility
US 4,998,118 · App. 07/375,159
LED printhead with post lens optical feedback and method of controlling same
Inventor:
Yee S. Ng
Patented Case
View Patent ↗
Granted: Mar 5, 1991
Filed: Jul 3, 1989
Inventor
Yee S. Ng
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.