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US Patent: 192,090
Improvement in saw-teeth
Patentee:
Nathan W. Spaulding (exact or similar names) - San Francisco, CA

USPTO Classifications:
83/853

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

Assignees:
None

Manufacturer:
Pacific Saw Mfg. Co. - San Francisco, CA

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 21, 1876
Granted: Jun. 19, 1877

Patent Pictures:
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