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US Patent: 1,688,601
Horseshoe
Patentee: Arthur R. Swanstrom (exact or similar names) - Duluth, MN USPTO Classifications: 168/41 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 20, 1923 Granted: Oct. 23, 1928 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen Diamond's history

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