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US Patent: 308,096
Mainspring Winder for Watches
Patentee:
Albert F. Robbins (exact or similar names) - Orange, MA

USPTO Classifications:
81/7.5

Tool Categories:
trade specific : watchmaker

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Edward C. Fowler
Thomas F. McKenna
Patent Dates:
Applied: May 19, 1884
Granted: Nov. 18, 1884

Patent Pictures:
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