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US Patent: 385,543
Tap with Detachable Cutters
Patentee: Albert Burritt (exact or similar names) - Waterbury, New Haven County, CT USPTO Classifications: 408/202, 408/215 Tool Categories: metalworking tools : taps and dies Assignees: None Manufacturer: Pratt & Whitney Co. - Hartford, Hartford County, CT Witnesses: Charles F. Schumacher Adrian Rais J. H. Shumway Fred C. Earles	Patent Dates: Applied: Apr. 16, 1888 Granted: Jul. 03, 1888 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Pratt, Whitney & Co.

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