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Patent number:
Patent Date:
US Patent: 986,695
Mainspring Winder
Patentee:
Frank R. Cunningham (
exact
or
similar
names) - Medford, Middlesex County, MA
USPTO Classifications:
185/39
,
81/7.5
Tool Categories:
trade specific
:
watchmaker
Assignees:
Kendrick & Davis
- Lebanon, Grafton County, NH
Manufacturer:
Not known to have been produced
Witnesses:
P. W. Pezzetti
E. Batchelder
Patent Dates:
Applied:
Mar. 16, 1909
Granted:
Mar. 14, 1911
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Steve Gosselin
"Vintage Machinery" entry for Kendrick & Davis
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