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US Patent: 393,817
Mortising-machine Portable multi-drill mortising machine
Patentee: William H. Clapp (exact or similar names) - Auburn, NY USPTO Classifications: 144/70, 408/112, 408/42, 408/53 Tool Categories: woodworking machines : joint making machines : mortising machines woodworking machines : wood drilling and boring : mortising machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 20, 1888 Granted: Dec. 04, 1888 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: Intended for mortising window-jambs.

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