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US Patent: 744,340
Grinding Attachment for Lathes
Patentee: James N. Heald (exact or similar names) - Barre, Worcester County, MA USPTO Classifications: 451/160, 451/37, 451/435 Tool Categories: metalworking machines : metal lathes : metal lathe accessories and attachments Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 07, 1902 Granted: Nov. 17, 1903 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for S. Heald & Sons

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