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US Patent: 457,960
Crank Pin Turning Machine
Patentee:
Hilbert Steiber (exact or similar names) - Oil City, Venango County, PA

USPTO Classifications:
82/106, 82/128, 82/137

Tool Categories:
metalworking tools : portable turning tools
metalworking machines : metal lathes : crank pin lathes

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Dec. 22, 1890
Granted: Aug. 18, 1891

Patent Pictures:
USPTO (New site tip)
Google Patents
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