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US Patent: 75,814
Improvement in spring-chain
Patentee: Henry Turner (exact or similar names) - Boston, MA USPTO Classifications: 15/208, 267/152, 267/72, 5/199, 5/309, 59/79.3, 63/4 Tool Categories: Assignees: Henry Turner - Boston, MA Mellen Bray - Boston, MA Manufacturer: Not known to have been produced Witnesses: Isaiah Knowles, Jr. S. Z. Bowman	Patent Dates: Granted: Mar. 24, 1868 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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