Granted Patent
Utility
US 4,567,494 · App. 06/626,000
Nozzle cleaning, priming and capping apparatus for thermal ink jet printers
Inventor:
Bret Taylor
Patented Case
View Patent ↗
Granted: Jan 28, 1986
Filed: Jun 29, 1984
Inventor
Bret Taylor
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.