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US Patent: 1,775,992
Chuck device
Patentee: George W. Emrick (exact or similar names) - Brooklyn, NY USPTO Classifications: 279/137, 279/147, 279/59, 279/67, 470/198 Tool Categories: metalworking machines : drilling and boring : tapping machines Assignees: ETTCO Tool Co., Inc. - Brooklyn, NY Manufacturer: ETTCO Tool Co., Inc. - Brooklyn, NY Witnesses: Unknown	Patent Dates: Applied: Oct. 14, 1927 Granted: Sep. 16, 1930 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for ETTCO Tool Co., Inc.

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