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US Patent: 1,853,642
Surge Control for Magnetic Chucks
Patentee: Frank L. Simmons (exact or similar names) - Woonsocket, Providence County, RI USPTO Classifications: 200/15, 361/145, 361/58, 361/9 Tool Categories: metalworking machines : grinders : magnetic chucks : magnetic chuck accessories Assignees: Taft-Peirce Mfg. Co. - Woonsocket, Providence County, RI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 09, 1930 Granted: Apr. 12, 1932 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Taft-Peirce Mfg. Co

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