ALEXANDRIA, Va., Sept. 23 -- United States Patent no. D1,094,497, issued on Sept. 23, was assigned to LEISTER TECHNOLOGIES AG (Kagiswil, Switzerland).
"Welding machine" was invented by Roger Burgler (Ennetburgen, Switzerland) and Paul Rothlin (Kerns, Switzerland).
The patent was filed on July 3, 2023, under Application No. D/896,405.
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