Granted Patent
Utility
US 4,952,949 · App. 07/442,197
LED printhead temperature compensation
Inventor:
John Uebbing
Patented Case
View Patent ↗
Granted: Aug 28, 1990
Filed: Nov 28, 1989
Inventor
John Uebbing
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.