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US Patent: 1,789,601
Chuck
Patentee:
Knut R. Sjogren (exact or similar names) - Los Angeles, CA

USPTO Classifications:
279/53

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

Assignees:
None

Manufacturer:
Hardinge Brothers, Inc. - Elmira, NY

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 06, 1929
Granted: Jan. 20, 1931

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Hardinge Brothers, Inc.

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