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US Patent: 2,240,506
Power Knockout Device for Machine Tools
Patentees: George Napoleon Levesque (exact or similar names) - Providence, Providence County, RI Merrill F. Sebring (exact or similar names) - Providence, Providence County, RI USPTO Classifications: 192/143, 409/169, 451/213, 451/393 Tool Categories: Assignees: Brown & Sharpe Mfg. Co. - Providence, Providence County, RI Manufacturer: Brown & Sharpe Mfg. Co. - Providence, Providence County, RI Witnesses: Unknown	Patent Dates: Applied: Mar. 14, 1940 Granted: May 06, 1941 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens Vintage Machinery entry for Brown & Sharpe Mfg. Co.

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