Granted Patent
Utility
US 5,293,865 · App. 07/590,212
Coding for an anesthetics device
Inventors:
Ulrich Altner, Claus-Dieter Brandt, Wilfried Buschke, Wolfgang Falb, Götz Kullik, Carl F. Wallroth
Patented Case
View Patent ↗
Granted: Mar 15, 1994
Filed: Sep 28, 1990
Inventors
Ulrich Altner
Claus-Dieter Brandt
Wilfried Buschke
Wolfgang Falb
Götz Kullik
Carl F. Wallroth
Assignee (at issue)
DRAGERWERK AKTIEGESELLSCHAFT
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.