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US Patent: 932,607
Thread-cutting attachment for automatic lathes
Patentee: John J. Grant (exact or similar names) - Cleveland, OH USPTO Classifications: 408/132, 470/181, 470/46, 470/66, 470/83 Tool Categories: metalworking machines : metal lathes : automatic lathes metalworking machines : metal lathes : metal lathe accessories and attachments Assignees: Grant Automatic Machine Co. - Cleveland, OH Manufacturer: Not known to have been produced Witnesses: John F. Oberlin D. T. Davies	Patent Dates: Applied: Apr. 17, 1907 Granted: Aug. 31, 1909 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: Thread-cutting attachment for the multi-spindle turret lathe of patent 926,736.

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