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US Patent: 2,361,995
Method of Making Metal Cutting Tools
Patentee: Frank W. Curtis (exact or similar names) - Springfield, Hampden County, MA USPTO Classifications: 148/526, 148/573, 148/588, 219/618, 266/124, 407/32 Tool Categories: metalworking machines : milling machines : milling machine cutters Assignees: Van Norman Machine Tool Co. - Springfield, Hampden County, MA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 28, 1942 Granted: Nov. 07, 1944 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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