Granted Patent
Utility
US 6,745,767 · App. 09/823,794
Respiration system with an electrically driven rotary compressor
Inventors:
Götz Kullik, Hans-Ullrich HANSMANN, Andreas Krause
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: Mar 30, 2001
Inventors
Götz Kullik
Hans-Ullrich HANSMANN
Andreas Krause
Assignee (at issue)
Dräger Medizintechnik 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.