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US Patent: 2,182,478
Boring Head
Patentee:
Roy G. Jacobson (exact or similar names) - Rockford, Winnebago County, IL

USPTO Classifications:
408/158, 408/213, 408/82, 82/1.3

Tool Categories:
metalworking machines : drilling and boring : boring heads

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Dec. 21, 1938
Granted: Dec. 05, 1939

Patent Pictures:
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