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Patent number:
Patent Date:
US Patent: 41,775
Drop Hammer
Patentee:
Bennet Hotchkiss (
exact
or
similar
names) - New Haven, New Haven County, CT
USPTO Classifications:
144/193.1
,
72/436
,
72/440
Tool Categories:
metalworking machines
:
forging machines
:
drop hammers
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Granted:
Mar. 01, 1864
Patent Pictures:
USPTO
(New site tip)
Google Patents
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