Granted Patent
Utility
US 6,383,331 · App. 09/542,337
Device for discharging two or more media with media nozzles
Inventor:
Franz Sumnitsch
Patented Case
View Patent ↗
Granted: May 7, 2002
Filed: Apr 5, 2000
Inventor
Franz Sumnitsch
Assignee (at issue)
SEZ Semiconductor-Equipment Zubehor fur die Halbleiterfertigung AG
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.