Granted Patent
Utility
US 6,578,741 · App. 09/975,542
Dispenser and method for discharging media
Inventors:
Stefan Ritsche, Juergen Greiner-Perth
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Oct 11, 2001
Inventors
Stefan Ritsche
Juergen Greiner-Perth
Assignee (at issue)
Ing. Erich Pfeiffer GmbH
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.