Granted Patent
Utility
US 6,745,769 · App. 10/066,743
Respiration bag
Inventor:
Hans-Jürgen Klempau
Patented Case
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Granted: Jun 8, 2004
Filed: Feb 6, 2002
Inventor
Hans-Jürgen Klempau
Assignee (at issue)
Dräger Medical AG & Co. KG
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.