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US Patent: 2,573,487
Corn and Callus Trimmer
Patentee: Claud L. Potvin (exact or similar names) - Minneapolis, MN USPTO Classifications: 219/227, 30/27, 30/280, 30/478, 30/491 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 21, 1948 Granted: Oct. 30, 1951 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Reynolds

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