Granted Patent
Utility
US 6,572,675 · App. 09/923,224
Method of operation of tilting rotary furnace system for recovery of non-ferrous metals from scrap or dross
Inventor:
Moshe Yerushalmi
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Aug 6, 2001
Inventor
Moshe Yerushalmi
Assignee (at issue)
MDY L.L.C.
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.