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US Patent: 143,565
Improvement in cutter-heads
Patentee:
Herman Fletcher (exact or similar names) - Louisville, KY

USPTO Classifications:
144/232

Tool Categories:
woodworking machines : machine and tool cutters : cutterheads

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John Fitzgerald
P. McDonald
Patent Dates:
Applied: Feb. 23, 1873
Granted: Oct. 14, 1873

Patent Pictures:
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