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US Patent: 1,397,786
Boring Tool Holder
Patentee:
Joseph C. Santon (exact or similar names) - Worcester, Worcester County, MA

USPTO Classifications:
407/112

Tool Categories:
metalworking machines : drilling and boring : drilling and boring tool holders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 19, 1919
Granted: Nov. 22, 1921

Patent Pictures:
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