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US Patent: 1,446,829
Turret Clamping Mechanism for Turret Lathes
Patentees: Edward P. Burrell (exact or similar names) - Cleveland, OH George W. Drake (exact or similar names) - Cleveland, OH USPTO Classifications: 188/68, 74/813L, 82/159 Tool Categories: metalworking machines : metalworking machine mechanisms metalworking machines : metal lathes : turret lathes Assignees: Warner & Swasey Co. - Cleveland, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 17, 1920 Granted: Feb. 27, 1923 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Warner & Swasey Co.

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