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US Patent: 109,898
Improvement in collars for circular saws
Patentee:
James B. Heald (exact or similar names) - Milford, NH

USPTO Classifications:
83/666

Tool Categories:
woodworking machines : circular saws

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. P. Rossiter
G. Wadleigh
Patent Dates:
Granted: Dec. 06, 1870

Patent Pictures:
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