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US Patent: 185,136
Taper Boring Attachment to Engine Lathes
Patentee:
Peter L. Rogers - Bay City, Bay County, MI

USPTO Classifications:
144/98, 82/12, 82/17

Tool Categories:
metalworking machines : metal lathes : metal lathe accessories

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 06, 1876
Granted: Dec. 05, 1876

Patent Pictures:
USPTO pdf tiff
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