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US Patent: 3,455,353
Cutting spool-head groove
Patentees:
John L. Turnblom (exact or similar names) - Worcester, MA
Warren J. Turnblom (exact or similar names) - Auburn, MA

USPTO Classifications:
144/136.1, 144/139, 144/14, 409/165

Tool Categories:
woodworking machines : specialty woodworking machines : spool or bobbin machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Jul. 15, 1969

Patent Pictures:
USPTO (New site tip)
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