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US Patent: 1,125,198
Magnetic Chuck
Patentee: Henry K. Spencer (exact or similar names) - Dorchester, Suffolk County, MA USPTO Classifications: 269/8, 335/286, 335/289, 335/295, 451/364 Tool Categories: metalworking machines : grinders : magnetic chucks Assignees: Blanchard Machine Co. - Cambridge, Middlesex County, MA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 31, 1913 Granted: Jan. 19, 1915 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Blanchard Machine Co.

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