Granted Patent
Utility
US 6,805,724 · App. 10/011,557
Method for particulate introduction for metal furnaces
Inventor:
Valery Shver
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: Oct 30, 2001
Inventor
Valery Shver
Assignee (at issue)
Process Technology International, 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.