Granted Patent
Utility
US 5,861,902 · App. 08/639,021
Thermal tailoring for ink jet printheads
Inventor:
Timothy Beerling
Patented Case
View Patent ↗
Granted: Jan 19, 1999
Filed: Apr 24, 1996
Inventor
Timothy Beerling
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.