Granted Patent
Utility
US 6,401,908 · App. 09/331,278
Apparatus for processing lumpy material
Inventors:
Eero V{umlaut over (aa)}nänen, Martti Jankkila
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: May 1, 2000
Inventors
Eero V{umlaut over (aa)}nänen
Martti Jankkila
Assignee (at issue)
Outokumpu Oyj
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.