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US Patent: 88,214
Improved bolt-heading machine
Patentee:
John Root (exact or similar names) - New Haven, CT

USPTO Classifications:
470/141

Tool Categories:
specialty machines : nut or bolt making machines

Assignees:
John Root - New Haven, CT
McLagon & Stevens - New Haven, CT

Manufacturer:
McLagon & Smith - New Haven, CT
McLagon & Stevens - New Haven, CT

Witnesses:
A. J. Tibbits
John H. Shumway

Patent Dates:
Granted: Mar. 23, 1869

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for McLagon & Smith

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