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US Patent: 134,290
Improvement in insertible saw-teeth
Patentee:
Nelson Johnson (exact or similar names) - Jasper, NY

USPTO Classifications:
83/841

Tool Categories:
woodworking machines : circular saws : insertable saw teeth
woodworking machines : machine and tool cutters : insertable saw teeth

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. Murphy
C. G. Hutchinson

Patent Dates:
Granted: Dec. 24, 1872

Patent Pictures:
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