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US Patent: 43,935
Improvement in machine for jointing headings for barrels
Patentee: William Trapp (exact or similar names) - Elmira, NY USPTO Classifications: 147/29, 147/36 Tool Categories: trade specific : cooper Assignees: None Manufacturer: Wm. Trapp & Co. - Elmira, NY Witnesses: A. Moore Daniel Breed	Patent Dates: Granted: Aug. 23, 1864 Antedated: Aug. 18, 1864 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Wm. Trapp & Co.

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