ALEXANDRIA, Va., Oct. 21 -- United States Patent no. D1,098,222, issued on Oct. 14, was assigned to Hypertherm Inc. (Hanover, N.H.).
"Cartridge for a plasma arc torch" was invented by Stephen M. Dunbar (Lebanon, N.H.), Christopher Pillsbury (Lebanon, N.H.), Micah Roberts (Lebanon, N.H.) and Devin Karlson (Thetford Center, Vt.).
The patent was filed on April 22, 2022, under Application No. D/835,950.
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