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US Patent: 75,198
Improved bolt-heading machine
Patentee:
John Root (exact or similar names) - New Haven, CT

USPTO Classifications:
470/110

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:
John H. Shumway
A. J. Tibbits

Patent Dates:
Granted: Mar. 03, 1868

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for McLagon & Smith

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