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US Patent: 687,887
Backing-Off Attachment for Lathes
Patentee:
William T. S. Johnson (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:
82/17, 82/19

Tool Categories:
metalworking machines : metal lathes : backing off attachments

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Aug. 02, 1901
Granted: Dec. 03, 1901

Patent Pictures:
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