Granted Patent
Utility
US 6,136,068 · App. 09/255,156
Arc furnace fume collection method
Inventor:
Craig Peters
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Feb 22, 1999
Inventor
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.