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US Patent: 810,426
Grinding-machine
Patentees: James N. Heald (exact or similar names) - Worcester, MA Ralph L. Morgan (exact or similar names) - Worcester, MA USPTO Classifications: 451/146, 451/402 Tool Categories: metalworking machines : grinders : surface grinders Assignees: Heald Machine Co. - Worcester, MA Manufacturer: Heald Machine Co. - Worcester, MA Witnesses: Rufus B. Fowler Penelope Comberbach	Patent Dates: Applied: May 14, 1904 Granted: Jan. 23, 1906 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Heald Machine Co.

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