Granted Patent
Utility
US 6,235,178 · App. 09/380,147
Method and device for coating a metal strip
Inventor:
Wilfried Tautz
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Aug 25, 1999
Inventor
Wilfried Tautz
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.