Granted Patent
Utility
US 6,651,660 · App. 09/946,673
Apparatus for supplying respiratory gas to a parachute jumper
Inventors:
Siegfried Zimprich, Rudiger Meckes, Carsten Mantey, Herbert Meier
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Sep 6, 2001
Inventors
Siegfried Zimprich
Rudiger Meckes
Carsten Mantey
Herbert Meier
Assignee (at issue)
Dräger Aerospace 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.