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US Patent: 872,728
Machine for Cutting Screw Threads
Patentee:
James Hartness (exact or similar names) - Springfield, Windsor County, VT

USPTO Classifications:
29/57, 470/176, 470/51, 470/66, 470/73, 82/110

Tool Categories:
metalworking machines : metal threading machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 12, 1905
Granted: Dec. 03, 1907

Patent Pictures:
USPTO (New site tip)
Google Patents
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"Vintage Machinery" entry for Jones, Lamson & Co.

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