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Patent number:
Patent Date:
US Patent: 146,989
Improvement in Soft-Metal Hammers
Mallet
Patentee:
Jehiel C. Coburn (
exact
or
similar
names) - Worcester, MA
USPTO Classifications:
81/19
Tool Categories:
woodworking tools
:
hammers
:
mallets
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Charles H. Burleigh
George J. Mowry
Patent Dates:
Applied:
Dec. 31, 1873
Granted:
Feb. 03, 1874
Patent Pictures:
USPTO
(New site tip)
Google Patents
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