Granted Patent
Utility
US 6,712,875 · App. 10/251,028
Method and apparatus for optimized mixing in a common hearth in plasma furnace
Inventors:
Edward Scott Jackson, David O. Warren
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Sep 20, 2002
Inventors
Edward Scott Jackson
David O. Warren
Assignee (at issue)
Lectrotherm, Inc.
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.