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US Patent: 2,843,389
Chuck
Patentees:
Harry E. Sloan (exact or similar names) - Hartford, Hartford County, CT
Linwood B. Swanson (exact or similar names) - New Britain, Hartford County, CT

USPTO Classifications:
279/127, 279/137, 279/3, 279/4.12

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

Assignees:
Cushman Chuck Co. - Hartford, Hartford County, CT

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 28, 1954
Granted: Jul. 15, 1958

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Cushman Chuck Co.

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