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US Patent: 1,917,531
Electric Arc Welding Apparatus
Patentee:
James F. Lincoln - East Cleveland, OH

USPTO Classifications:
192/48.1, 279/102, 279/24, 279/74, 279/75, 279/82, 313/149, 313/153, 313/36, 314/22, 314/29, 314/41, 314/81, 403/290, 403/326, 74/355

Tool Categories:
metalworking machines : welders

Assignees:
Lincoln Electric Co. - Cleveland, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 09, 1931
Granted: Jul. 11, 1933

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Lincoln Electric Co.

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