Granted Patent
Utility
US 6,651,692 · App. 10/131,715
Modular oxygen supply system
Inventors:
Rudiger Meckes, Herbert Meier, Wolfgang Rittner
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Apr 24, 2002
Inventors
Rudiger Meckes
Herbert Meier
Wolfgang Rittner
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.