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US Patent: 318,654
Tapping Device
Patentee: John L. Rathbun (exact or similar names) - New York, NY USPTO Classifications: 279/158, 408/139, 408/140, 470/103, 470/181, 470/83, 470/96, 81/53.2 Tool Categories: metalworking tools : tap and die holders Assignees: John H. Rathbun - New York, NY Cornelius H. De Lamater - New York, NY George H. Robinson - New York, NY William De Lamater - New York, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 21, 1884 Granted: May 26, 1885 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Delamater Iron Works

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