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US Patent: 559,372
Tap
Patentee: Charles Elterich (exact or similar names) - New York, NY USPTO Classifications: 408/186, 408/202, 408/222, 470/198 Tool Categories: industrial tools : taps and dies metalworking tools : taps and dies Assignees: None Manufacturer: Charles Elterich - New York, NY Witnesses: A. Faber du Faur, Jr. Eugenie A. Persides	Patent Dates: Applied: Jun. 28, 1895 Granted: May 05, 1896 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Charles Elterich

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