Granted Patent
Utility
US 5,333,748 · App. 07/986,444
Container door for an oxygen supply unit
Inventors:
Christian Schnoor, Roderich Thometschek, Wolfgang Rittner
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Dec 4, 1992
Inventors
Christian Schnoor
Roderich Thometschek
Wolfgang Rittner
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.