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US Patent: 1,906,490
Chucking Mechanism
Patentees:
Harry E. Sloan (exact or similar names) - Hartford, Hartford County, CT
George A. Highberg (exact or similar names) - West Hartford, Hartford County, CT

USPTO Classifications:
279/119, 279/134

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: Aug. 05, 1931
Granted: May 02, 1933

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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