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US Patent: 135,907
Improvement in rotary cutter-heads for matching boards
Patentee:
George Greenwood (exact or similar names) - Lawrence, MA

USPTO Classifications:
144/235

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. R. Snow
R. H. Eddy
Patent Dates:
Granted: Feb. 18, 1873

Patent Pictures:
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