Granted Patent
Utility
US 6,414,265 · App. 09/634,071
Method and apparatus for drawn arc welding with magnetically impelled arc
Inventor:
Venkatasubramanian Ananthanarayanan
Patented Case
View Patent ↗
Granted: Jul 2, 2002
Filed: Aug 8, 2000
Inventor
Venkatasubramanian Ananthanarayanan
Assignee (at issue)
Delphi Technologies
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.