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US Patent: RE4,523
Improvement in Machines for Graduating Squares and Rules
Patentee:
Norman Millington (exact or similar names) - Shaftsbury, VT

USPTO Classifications:
33/19.1

Tool Categories:
tool making : making rules
layout tools : squares : carpenter squares
rules : rule graduations

Assignees:
Eagle Square Co. - Shaftsbury, VT

Manufacturer:
Not known to have been produced

Witnesses:
G. W. Harman
William S. Southworth
O. Green
Daniel Roberts
Patent Dates:
Granted: Aug. 22, 1871

Reissue Information:
Reissue of 11,489 (Aug. 08, 1854)

Patent Pictures: [ 1 | 2 ]
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