Granted Patent
Utility
US 5,839,487 · App. 08/734,829
Safety filling device for anesthetic evaporators
Inventors:
Stefan Moll, Uwe Bausch, Stefan Linke, Dirk-Stefan Reichert, Karl-Ludwig Gippert, Wolfgang Falb
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: Oct 22, 1996
Inventors
Stefan Moll
Uwe Bausch
Stefan Linke
Dirk-Stefan Reichert
Karl-Ludwig Gippert
Wolfgang Falb
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.