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US Patent: 79,198
Expanding Tap
Patentee: John Brewer (exact or similar names) - Philadelphia, PA USPTO Classifications: 279/2.13, 408/168 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: Francis D. Pastorius W. W. Dougherty Charles H. Lain John D. Davis	Patent Dates: Granted: Jun. 23, 1868 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: Francis D. Pastorius - patent attorney

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