Granted Patent
Utility
US 6,817,549 · App. 10/277,113
Valve needle, in particular for a spraycoating liquid
Inventor:
Manfred Dankert
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Oct 22, 2002
Inventor
Manfred Dankert
Assignee (at issue)
ITW OBERFLAECHENTECHNIK GMBH & CO. KG
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.