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US Patent: 688,681
Lathe for Turning Crank Pins
Patentees:
August Peterson (exact or similar names) - Duluth, St. Louis County, MN
Frank Booren (exact or similar names) - Duluth, St. Louis County, MN

USPTO Classifications:
82/128

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 10, 1901
Granted: Dec. 10, 1901

Patent Pictures:
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