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US Patent: 2,259,627
Boring Head
Patentee:
Percy M. Hallett (exact or similar names) - Stoughton, Dane County, WI

USPTO Classifications:
82/1.4, 82/11, 82/11.

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Feb. 20, 1941
Granted: Oct. 21, 1941

Patent Pictures:
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