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US Patent: 16,817
Machine for Stamping Figures on Carpenters' Squares
Patentee:
Heman Whipple - Shaftsbury, VT

USPTO Classifications:
101/4

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John Hastings
Horace K. Jones

Patent Dates:
Granted: Mar. 10, 1857

Patent Pictures:
USPTO pdf tiff
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