Granted Patent
Utility
US 6,547,549 · App. 09/738,295
Pelletizing die for a pelletizer
Inventors:
Friedrich R. Schneider, Ulrich Wiesner, Jürgen Bartl
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Dec 15, 2000
Inventors
Friedrich R. Schneider
Ulrich Wiesner
Jürgen Bartl
Assignee (at issue)
Krupp, Werner & Pfeiderer GmbH
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.