Electric heating – Metal heating – By arc
Reexamination Certificate
2005-12-13
2005-12-13
Shaw, Clifford C. (Department: 1725)
Electric heating
Metal heating
By arc
C219S061000, C219S130510
Reexamination Certificate
active
06974931
ABSTRACT:
A method and apparatus for multi process welding includes providing a controlled short circuit output and a pulse output in response to a user selection across a workpiece output stud and a torch output stud.
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Holverson Todd E.
Hutchison Richard M.
Uecker James L.
Corrigan George R.
Illinois Tool Works Inc.
Shaw Clifford C.
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