Granted Patent
Utility
US 5,560,584 · App. 08/302,045
Safety filling device with a closing element
Inventors:
Wolfgang Falb, Dirk-Stefan Reichert, Ernst-Günter Scharmer, Gunther Hahmann
Patented Case
View Patent ↗
Granted: Oct 1, 1996
Filed: Sep 7, 1994
Inventors
Wolfgang Falb
Dirk-Stefan Reichert
Ernst-Günter Scharmer
Gunther Hahmann
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.