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US Patent: 1,921,225
Spare wheel lock
Patentee: Walter L. Hawkins (exact or similar names) - St. Louis, MO USPTO Classifications: 70/232, 70/259, 70/386 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: Sep. 24, 1930 Granted: Aug. 08, 1933 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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