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US Patent: 118,365
Improvement in cutter-heads
Patentee:
Eli B. Hayes - Vergennes, VT

USPTO Classifications:
144/233

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Aug. 22, 1871

Patent Pictures:
USPTO pdf tiff
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