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US Patent: 2,012,340
Tapping attachment
Patentee: George W. Emrick (exact or similar names) - Brooklyn, NY USPTO Classifications: 184/6.12, 192/21, 408/124, 74/377, 74/606R Tool Categories: metalworking machines : drilling and boring : tapping heads and chucks Assignees: None Manufacturer: ETTCO Tool & Machine Co., Inc. - Brooklyn, NY Witnesses: Unknown	Patent Dates: Applied: May 17, 1934 Granted: Aug. 27, 1935 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.
Description: This patent number was seen on an "Ettco-Emrick No. 1 sensitive tapping attachment" from ETTCO Tool Co., Brooklyn, NY.

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