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US Patent: 2,304,779
Toolhead Unit
Patentee: Frank W. Curtis (exact or similar names) - Springfield, Hampden County, MA USPTO Classifications: 408/133, 409/211 Tool Categories: metalworking machines : milling machines metalworking machines : metalworking machine mechanisms Assignees: Van Norman Machine Tool Co. - Springfield, Hampden County, MA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 18, 1941 Granted: Dec. 15, 1942 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Van Norman Machine Tool Co.

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