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US Patent: 1,758,656
Tapping attachment
Patentee: George W. Emrick (exact or similar names) - Brooklyn, NY USPTO Classifications: 408/124, 475/207, 74/377 Tool Categories: metalworking machines : drilling and boring : tapping heads and chucks Assignees: ETTCO Tool Co., Inc. - Brooklyn, NY Manufacturer: ETTCO Tool Co., Inc. - Brooklyn, NY Witnesses: Unknown	Patent Dates: Applied: Jul. 12, 1928 Granted: May 13, 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.
Description: Improvement to patent 1,506,367.

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