Granted Patent
Utility
US 4,583,690 · App. 06/759,393
Anti-wetting in fluid nozzles
Inventor:
Young S. You
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Jul 26, 1985
Inventor
Young S. You
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.