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US Patent: 1,862,370
Chuck device
Patentee: George W. Emrick (exact or similar names) - Brooklyn, NY USPTO Classifications: 279/74 Tool Categories: metalworking machines : drilling and boring : tapping heads and chucks Assignees: None Manufacturer: ETTCO Tool Co., Inc. - Brooklyn, NY Witnesses: Unknown	Patent Dates: Applied: Jan. 28, 1931 Granted: Jun. 07, 1932 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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