Granted Patent
Utility
US 6,496,530 · App. 09/825,684
Control of electrode depth in electroslag remelting
Inventors:
David K. Melgaard, Gregory J. Shelmidine, Brian K. Damkroger
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Apr 3, 2001
Inventors
David K. Melgaard
Gregory J. Shelmidine
Brian K. Damkroger
Assignee (at issue)
Sandia Corporation
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.