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US Patent: 254,739
Pitch-chain
Patentee: Arthur Herbert Wallis (exact or similar names) - Basingstoke, Hampshire, England USPTO Classifications: 474/227 Tool Categories: hardware : chains and chain links Assignees: None Manufacturer: Not known to have been produced Witnesses: Harold Imray Oliver Imray	Patent Dates: Applied: Oct. 17, 1881 Granted: Mar. 07, 1882 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Wallis & Steevens
Description: This is the US equivalent of British patent GB-188,103,984.

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