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US Patent: 211,097
Improvement in insertible saw-teeth
Patentee:
Nelson Johnson - Jasper, NY

USPTO Classifications:
83/840

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
N. M. Crane
S. H. Crane

Patent Dates:
Applied: Jun. 03, 1878
Granted: Jan. 07, 1879

Patent Pictures:
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