Granted Patent
Utility
US 6,301,285 · App. 09/654,630
Arc furnace fume collection method
Inventors:
Christopher Z. Sieradzki, Craig Peters
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Sep 5, 2000
Inventors
Christopher Z. Sieradzki
Craig Peters
Assignee (at issue)
AMSTED INDUSTRIES INCORPORATED
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.