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US Patent: 916,197
Mainspring Winder
Patentee: Albert F. Robbins (exact or similar names) - Waltham, MA USPTO Classifications: 81/7.5 Tool Categories: trade specific : watchmaker Assignees: None Manufacturer: Kendrick & Davis - Lebanon, NH Witnesses: Robert Rogerson Samuel Griffin	Patent Dates: Applied: Mar. 30, 1908 Granted: Mar. 23, 1909 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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