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US Patent: 132,608
Improvement in mortising-machines Hand-cranked chain mortiser for timbers
Patentee: James Swan (exact or similar names) - Seymour, CT USPTO Classifications: 144/72, 144/81 Tool Categories: woodworking machines : joint making machines : portable timber mortisers woodworking machines : human powered machines woodworking machines : wood drilling and boring : portable timber mortisers Assignees: None Manufacturer: James Swan Co. - Seymour, CT Witnesses: Frederick A. Rugg Samuel A. Beach	Patent Dates: Granted: Oct. 29, 1872 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for James Swan Co.

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