Charles L. Coffin
Inventor
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Who is Charles L. Coffin?
Charles L. Coffin of Detroit was awarded U.S. Patent 428,459 for an arc welding process using a metal electrode. This was the first time that metal melted from the electrode carried across the arc to deposit filler metal in the joint to make a weld. About 10 years earlier, N.G. Slavianoff, a Russian, presented the same idea of transferring metal across an arc, but to cast metal in a mold.
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"Charles L. Coffin." Biographies.net. STANDS4 LLC, 2024. Web. 19 Apr. 2024. <https://www.biographies.net/people/en/c_l_coffin>.
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