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US Patent: 9,729
Improvement in Machines for Cutting Wooden Screws
Patentee:
Abner H. Longley (exact or similar names) - Lebanon, IN

USPTO Classifications:
408/118, 408/137, 408/1R, 470/181

Tool Categories:
woodworking machines : specialty woodworking machines : wood threading machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Isaac Coombs
Chancy King
Patent Dates:
Granted: May 17, 1853

Patent Pictures: [ 1 | 2 ]
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