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US Patent: 451,092
Boring Attachment for Lathes
Patentee:
John Walker (exact or similar names) - Cleveland, Cuyahoga County, OH

USPTO Classifications:
29/52, 82/158

Tool Categories:
metalworking machines : metal lathes : lathe tools
metalworking tools : boring bars

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jan. 31, 1891
Granted: Apr. 28, 1891

Patent Pictures:
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