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Patent US55617 - IMPROVED MACHINE FOR SHARPENING HORSESHOE-CALKS
IMPROVED MACHINE FOR SHARPENING HORSESHOE-CALKS
ENSIGN A. BUSHNELL
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Description
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Patent number
: 55617
Issue date
: Jun 19, 1866
Inventor
:
ENSIGN A. BUSHNELL
Current U.S. Classification
:
168/46
View patent at USPTO
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