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US Patent: 457,967
Machine for Making Screws
Patentee:
James Hartness (exact or similar names) - Springfield, Windsor County, VT

USPTO Classifications:
29/46, 29/64, 74/822, 82/143, 82/149

Tool Categories:
metalworking machines : screw machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 09, 1891
Granted: Aug. 18, 1891

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Jones, Lamson & Co.

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