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US Patent: 2,122,356
Fluid Chuck Operating Mechanism
Patentees: Gustaf Robert Appelberg (exact or similar names) - Bridgeport, CT Edward P. Bullard (exact or similar names) - Fairfield, CT USPTO Classifications: 29/38A, 29/57, 470/900 Tool Categories: Assignees: Bullard Co. - Bridgeport, CT Manufacturer: Bullard Co. - Bridgeport, CT Witnesses: Unknown	Patent Dates: Applied: Nov. 27, 1935 Granted: Jun. 28, 1938 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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