Granted Patent
Utility
US 5,945,372 · App. 08/951,208
Catalyst for reacting organic compounds present in a gas mixture
Inventors:
Norbert Landgraf, Erich Hums
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: Sep 17, 1997
Inventors
Norbert Landgraf
Erich Hums
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.