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US Patent: 2,075,240
Speed change mechanism for screw machines
Patentee: Herbert E. Tautz (exact or similar names) - Milwaukee, WI USPTO Classifications: 474/1, 474/72, 74/325, 74/359, 74/360, 74/376 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jun. 28, 1935 Granted: Mar. 30, 1937 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: "The invention relates to speed-change mechanism for machine tools, more particularly of the screw-machine type."

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