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US Patent: 183,243
Improvement in spiral molding-machines
Patentee:
Benjamin F. Abbott (exact or similar names) - Albany, NY

USPTO Classifications:
142/35, 142/48

Tool Categories:
woodworking machines : specialty woodworking machines : rope and spiral cutting machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Alexander Selkirk
Charles J. Selkirk

Patent Dates:
Applied: Sep. 17, 1874
Granted: Oct. 17, 1876

Patent Pictures:
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