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US Patent: 109,591
Improvement in machines for making key-boards for wood pavements
Patentee:
Perley D. Cummings (exact or similar names) - Portland, ME

USPTO Classifications:
144/89

Tool Categories:
woodworking machines : specialty woodworking machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
George E. Bird
William Franklin Seavey

Patent Dates:
Granted: Nov. 29, 1870

Patent Pictures:
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