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US Patent: 179,926
Improvement in cutter-heads
Patentee:
John Lawrence (exact or similar names) - New York, NY

USPTO Classifications:
144/224

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Charles H. Smith
George T. Pinckney

Patent Dates:
Applied: Mar. 17, 1876
Granted: Jul. 18, 1876

Patent Pictures:
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