Granted Patent
Utility
US 6,624,620 · App. 10/025,677
Power supply for a rotary printing machine
Inventors:
Josef Hammer, Detlef Kämpf, Rainer Liebold
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Dec 19, 2001
Inventors
Josef Hammer
Detlef Kämpf
Rainer Liebold
Assignee (at issue)
MAN Roland Druckmaschinen 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.