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US Patent: 2,640,211
Rug scrubbing machine
Patentee: William L. Petersen (exact or similar names) - West New York, NJ USPTO Classifications: 15/50.1, 280/43.2, 451/353 Tool Categories: Assignees: Clarke Sanding Machine Co. - Muskegon, MI Manufacturer: Clarke Sanding Machine Co. - Chicago, IL Witnesses: Unknown	Patent Dates: Applied: Sep. 28, 1948 Granted: Jun. 02, 1953 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Clarke Sanding Machine Co.

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