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US Patent: 2,079,371
Tapping machine
Patentee: George W. Emrick (exact or similar names) - Brooklyn, NY USPTO Classifications: 408/235, 408/99, 470/96 Tool Categories: metalworking machines : drilling and boring : tapping machines Assignees: None Manufacturer: ETTCO Tool & Machine Co., Inc. - Brooklyn, NY Witnesses: Unknown	Patent Dates: Applied: Mar. 05, 1936 Granted: May 04, 1937 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: The main innovation is a counter-balanced head so that the treadle action is light and hence not too tiring for the operator.

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