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US Patent: 82,004
Improvement in mortising-machines Mortising machine for sash
Patentees: James M. Johnson (exact or similar names) - Cleveland, OH John Herig (exact or similar names) - Cleveland, OH USPTO Classifications: 144/67 Tool Categories: woodworking machines : joint making machines : mortising machines woodworking machines : specialty woodworking machines : window making machines woodworking machines : wood drilling and boring : mortising machines Assignees: None Manufacturer: Not known to have been produced Witnesses: George Hester George W. Tibbitts	Patent Dates: Granted: Sep. 08, 1868 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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