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US Patent: 144,100
Screw Threading Machines
Patentee:
Eli Horton (exact or similar names) - Windsor Locks, Hartford County, CT

USPTO Classifications:
409/76

Tool Categories:
metalworking machines : metal threading machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jan. 21, 1873
Granted: Oct. 28, 1873

Patent Pictures:
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