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US Patent: 434,532
Process of Electric Welding
Patentee:
Elihu Thomson (exact or similar names) - Lynn, Essex County, MA

USPTO Classifications:
219/104, 76/DIG.5

Tool Categories:
manufacturing : manufacturing processes : welding

Assignees:
Thomson Electric Welding Co. - Lynn, Essex County, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Dec. 23, 1889
Granted: Aug. 19, 1890

Patent Pictures:
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