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US Patent: 224,921
Tap
Patentee: William Kenworthy (exact or similar names) - Brooklyn, Kings County, NY USPTO Classifications: 408/219, 408/224, 470/198 Tool Categories: metalworking tools : taps and dies Assignees: William Kenworthy - Brooklyn, Kings County, NY Russell R. Brown - Brooklyn, Kings County, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 06, 1879 Granted: Feb. 24, 1880 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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