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US Patent: 2,790,280
Spindle Positioning Mechanism
Patentees:
John W. Wilson (exact or similar names) - Cincinnati, Hamilton County, OH
Robert L. Henry (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:
318/277, 318/466, 451/398, 451/8

Tool Categories:
metalworking machines : grinding 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: Mar. 21, 1955
Granted: Apr. 30, 1957

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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