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US Patent: 168,439
Steam-Hammers
Patentee:
Stephen D. Wilson (exact or similar names) - Des Moines, Polk County, IA

USPTO Classifications:
147/1, 173/100, 91/279

Tool Categories:
metalworking machines : forging machines : power hammers

Assignees:
Stephen D. Wilson - Des Moines, Polk County, IA
William Stein - Des Moines, Polk County, IA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 06, 1875
Granted: Oct. 05, 1875

Patent Pictures:
USPTO (New site tip)
Google Patents
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