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US Patent: 107,222
Improvement in machines for tenoning window-sash
Patentee: Frank G. Chapman (exact or similar names) - Chicago, IL USPTO Classifications: 144/203 Tool Categories: woodworking machines : joint making machines : tenoning machines woodworking machines : specialty woodworking machines : window making machines Assignees: Dennis Beach - Chicago, IL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: Sep. 13, 1870 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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