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US Patent: 1,837,341
Digging Tooth
Patentee:
Layton S. Shaffer (exact or similar names) - Ravenna, OH

USPTO Classifications:
37/456, 403/378

Tool Categories:

Assignees:
Byers Machine Co. - Ravenna, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 06, 1928
Granted: Dec. 22, 1931

Patent Pictures:
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