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US Patent: 3,606,562
Offset Boring Head
Patentee:
Marvin Wills (exact or similar names) - Colorado Springs, El Paso County, CO

USPTO Classifications:
408/181

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: May 19, 1969
Granted: Sep. 20, 1971

Patent Pictures:
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