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US Patent: 596,750
Screw Cutting Attachment
Patentee:
James Hartness (exact or similar names) - Springfield, Windsor County, VT

USPTO Classifications:
29/57, 470/10, 470/71

Tool Categories:
metalworking machines : metal lathes : turret lathes
metalworking tools : tap and die holders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 18, 1897
Granted: Jan. 04, 1898

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Jones, Lamson & Co.

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