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US Patent: 51,458
Improvement in machines for cutting wood gears
Patentee:
James Jackson - Woonsocket, RI

USPTO Classifications:
144/144.1, 409/2

Tool Categories:
specialty machines
woodworking machines : specialty machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Dec. 12, 1865

Patent Pictures:
USPTO pdf tiff
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