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US Patent: 2,220,370
Drum for smoothing surfaces
Patentees: Joseph E. Swalinkavich, Jr. (exact or similar names) - St. Cloud, MN Ray E. McFadden (exact or similar names) - St. Cloud, MN William P. Hilger (exact or similar names) - St. Cloud, MN USPTO Classifications: 451/496 Tool Categories: woodworking machines : sanding machines : floor sanders Assignees: William P. Hilger - St. Cloud, MN Manufacturer: Hilger Co. - St. Cloud, MN Witnesses: Unknown	Patent Dates: Applied: Mar. 29, 1940 Granted: Nov. 05, 1940 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Hilger Co.

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