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US Patent: 612,378
Chuck
Patentee:
Eugene Childs (exact or similar names) - Boston, Suffolk County, MA

USPTO Classifications:
279/8

Tool Categories:
metalworking machines : metal lathes : metal lathe chucks

Assignees:
Trimont Mfg. Co. - Portland, Cumberland County, ME

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Sep. 28, 1897
Granted: Oct. 11, 1898

Patent Pictures:
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