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US Patent: 1,594,445
Work holding and feeding device for grinding or polishing machines
Patentee: John C. Blevney (exact or similar names) - Bronxville, NY USPTO Classifications: 451/301, 451/303, 451/309 Tool Categories: woodworking machines : sanding machines Assignees: Production Machine Co. - Greenfield, MA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Aug. 30, 1920 Granted: Aug. 03, 1926 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Production Machine Co.

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