Granted Patent
Utility
US 5,875,221 · App. 08/890,258
Method and device for operating a reactor in an unstable state
Inventors:
Dieter Kreuter, Godehard Rauch, Joachim Schulze
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: Jul 9, 1997
Inventors
Dieter Kreuter
Godehard Rauch
Joachim Schulze
Assignee (at issue)
Siemens Aktiengesellschaft
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.