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US Patent: 1,330,558
Parallel Bars and the Like for Magnetic Chucks
Patentee: Frank L. Simmons (exact or similar names) - Woonsocket, Providence County, RI USPTO Classifications: 269/8, 335/286 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: May 10, 1919 Granted: Feb. 10, 1920 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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