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US Patent: 3,058,205
Lightweight Plurality of Generally Conical, Hollow, Metallic Objects
Patentees: Claus L. Sporck (exact or similar names) - Cincinnati, Hamilton County, OH Bernard Sassen (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 239/265.11, 428/583, 428/600, 428/611 Tool Categories: metalworking machines : metal spinning machines Assignees: Lodge & Shipley Machine Tool Co. - Cincinnati, Hamilton County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 28, 1955 Granted: Oct. 16, 1962 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Lodge & Shipley Machine Tool Co.

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