Granted Patent
Utility
US 6,517,613 · App. 09/763,040
Tank for containing granular absorbers for cleaning gases
Inventors:
Bruno Schumm, Bernd Reichert
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Oct 9, 2001
Inventors
Bruno Schumm
Bernd Reichert
Assignee (at issue)
Metallgesellschaft AG
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.