U.S. federal trademark · Serial No. 97243501 · Reg. No. 7190734
Electric circuitry for electric arc welders, comprised of arc waveform control circuitry sold as a component of welding machines; recorded software for controlling the operation of a welding machine sold as a component of welding machines; recorded software for controlling the characteristics of a welding arc during a welding operation sold as a component of welding machines
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