Granted Patent
Utility
US 6,736,202 · App. 10/301,102
Chill tube for the continuous casting of metals
Inventors:
Roland Hauri, Egon MacKowiak, Dietmar Kolbeck, Gerhard Hugenschütt
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Nov 21, 2002
Inventors
Roland Hauri
Egon MacKowiak
Dietmar Kolbeck
Gerhard Hugenschütt
Assignee (at issue)
KM Europa Metal 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.