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US Patent: 243,634
Feed Gearing for Machine Tools
Patentees: William Sellers (exact or similar names) - Philadelphia, PA John Sellers Bancroft (exact or similar names) - Philadelphia, PA USPTO Classifications: 192/114R, 409/169, 74/425, 74/665Q Tool Categories: industrial machines : industrial machine mechanisms : industrial machine gearing Assignees: None Manufacturer: William Sellers & Co. - Philadelphia, PA Witnesses: Jason C. Brooks C. M. Miller	Patent Dates: Applied: Mar. 29, 1881 Granted: Jun. 28, 1881 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for William Sellers & Co.

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