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US Patent: 112,228
Improvement in mortising-machines Chain mortising machine
Patentees: William Downing (exact or similar names) - Philadelphia, PA William H. Soley (exact or similar names) - Philadelphia, PA USPTO Classifications: 144/72, 144/84 Tool Categories: woodworking machines : joint making machines : mortising machines woodworking machines : wood drilling and boring : mortising machines Assignees: Westford Warner - Philadelphia, PA Manufacturer: Not known to have been produced Witnesses: J. Snowden Bell George Miller	Patent Dates: Granted: Feb. 28, 1871 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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