Granted Patent
Utility
US 6,217,823 · App. 09/281,240
Metal scrap submergence system
Inventors:
Chris T. Vild, Jan H. L. van Linden
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Mar 30, 1999
Inventors
Chris T. Vild
Jan H. L. van Linden
Assignee (at issue)
Metaullics Systems Co., L.P.
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.