Granted Patent
Utility
US 5,213,380 · App. 07/936,089
Testing device for a pivotable door of an emergency respirator container
Inventors:
Roderich Thometschek, Christian Schnoor, Wolfgang Rittner, Alfred Rother, Werner Thoren, Christoph Bauer
Patented Case
View Patent ↗
Granted: May 25, 1993
Filed: Aug 26, 1992
Inventors
Roderich Thometschek
Christian Schnoor
Wolfgang Rittner
Alfred Rother
Werner Thoren
Christoph Bauer
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.