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US Patent: 100,502
Improvement in mortising machines
Patentee: Frank G. Chapman (exact or similar names) - Chicago, IL USPTO Classifications: 83/404.1 Tool Categories: woodworking machines : joint making machines : mortising machines woodworking machines : wood drilling and boring : mortising machines Assignees: Dennis Beach - Chicago, IL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: Mar. 08, 1870 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: Invention is a sash mortiser.

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