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US Patent: 1,691,429
Shaping machine for irregular forms
Patentee:
Stanley E. Boynton (exact or similar names) - Rochester, NY

USPTO Classifications:
142/15, 142/6

Tool Categories:

Assignees:
Crawford, McGregor & Canby Co. - Dayton, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Nov. 17, 1921
Granted: Nov. 13, 1928

Patent Pictures:
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