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US Patent: 1,455,283
Electric-Operating Chucking Device
Patentee: Edward Payson Bullard, Jr. (exact or similar names) - Bridgeport, CT USPTO Classifications: 279/110, 279/119, 279/134, 29/38A, 29/48.50R Tool Categories: Assignees: Bullard Machine Tool Co. - Bridgeport, CT Manufacturer: Bullard Machine Tool Co. - Bridgeport, CT Witnesses: Unknown	Patent Dates: Applied: Sep. 04, 1920 Granted: May 15, 1923 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens Vintage Machinery entry for Bullard Machine Tool Co.

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