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US Patent: 239,698
Reaming-saw
Patentee: Ludwig Barthelmes (exact or similar names) - Astoria, NY USPTO Classifications: 144/240 Tool Categories: woodworking machines : machine and tool cutters : sawblades Assignees: None Manufacturer: Not known to have been produced Witnesses: William H. C. Smith Willy G. E. Schultz	Patent Dates: Applied: Aug. 04, 1880 Granted: Apr. 05, 1881 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: "The object of this invention is to cut triangular grooves out of strips or blocks of wood, so that the same may afterward be bent."

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