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Patent number:
Patent Date:
US Patent: 357,584
Tool for Closing Mainspring Barrels
Patentee:
William Wallace Dudley (
exact
or
similar
names) - Waltham, Middlesex County, MA
USPTO Classifications:
29/232
,
29/267
,
29/268
Tool Categories:
trade specific
:
watchmaker
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
R. H. Eddy
R. B. Torrey
Patent Dates:
Applied:
Oct. 16, 1886
Granted:
Feb. 15, 1887
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Steve Gosselin
Description:
Patented in Canada, 25 Oct 1886, #25,203
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