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US Patent: 10,403
Machinery for mortising frames of window-blinds
Patentee:
D. M. Cummings - North Enfield, NH

USPTO Classifications:
144/71, 408/50

Tool Categories:
woodworking machines : wood drilling and boring : mortising machines
woodworking machines : specialty machines : windowblind machines
woodworking machines : joint making machines : mortising machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Benjamin S. Fletcher
William Huse

Patent Dates:
Granted: Jan. 10, 1854

Patent Pictures:
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