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US Patent: 2,641,970
High-Speed Spindle Construction
Patentee:
Alfred G. Plimmer (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:
409/206, 409/209, 451/294

Tool Categories:
metalworking machines : milling machines
metalworking machines : metalworking machine mechanisms

Assignees:
Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 28, 1950
Granted: Jun. 16, 1953

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

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