Granted Patent
Utility
US 6,831,818 · App. 09/866,182
Current regulated voltage limited high voltage power supply for corona charger
Inventors:
Andreas Dickhoff, Charles H. Hasenauer
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: May 25, 2001
Inventors
Andreas Dickhoff
Charles H. Hasenauer
Assignee (at issue)
NexPress Solutions LLC
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.