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US Patent: 1,168,453
Radial Elliptical Spring
Patentee: Carl Oscar Anderson (exact or similar names) - Lancaster, Lancaster County, PA USPTO Classifications: 384/200 Tool Categories: industrial machines : industrial machine mechanisms Assignees: Champion Blower & Forge Co. - Lancaster, Lancaster County, PA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 22, 1915 Granted: Jan. 18, 1916 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Champion Blower & Forge Co.

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