Granted Patent
Utility
US 5,905,752 · App. 08/680,145
ARC furnace fume collection system and method
Inventors:
Christopher Z. Sieradzki, Craig Peters
Patented Case
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Granted: May 18, 1999
Filed: Jul 15, 1996
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.