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US Patent: 1,950,493
Spare wheel and tire lock
Patentee: Colvin L. Johnson (exact or similar names) - St. Louis, MO USPTO Classifications: 70/230, 70/259, 70/260 Tool Categories: hardware : locks transportation : canals : locks Assignees: Duro Metal Products Co. - Chicago, IL Manufacturer: Duro Metal Products Co. - Chicago, IL Witnesses: Unknown	Patent Dates: Applied: Apr. 09, 1928 Granted: Mar. 13, 1934 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Duro Metal Products Co.

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