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US Patent: 129,472
Tap Wrench
Patentee:
John J. Grant - Greenfield, MA

USPTO Classifications:
408/240

Tool Categories:
wrenches : tap wrenches and die stocks

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Fredrick Haynes
R. E. Rabeau

Patent Dates:
Granted: Jul. 16, 1872

Patent Pictures:
USPTO pdf tiff
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