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US Patent: 987,479
Expansion cutter-head
Patentee:
Harrison J. Mitchell (exact or similar names) - Beloit, WI

USPTO Classifications:
144/130, 144/218, 144/230, 144/234, 144/91.2

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

Assignees:
Berlin Machine Works - Beloit, WI

Manufacturer:
Berlin Machine Works - Beloit, WI

Witnesses:
Unknown

Patent Dates:
Granted: Mar. 21, 1911

Patent Pictures:
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Vintage Machinery entry for Berlin Machine Works

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