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US Patent: 21,490
Shingle-machine
Patentee: Augustus Day (exact or similar names) - Detroit, MI USPTO Classifications: 144/13 Tool Categories: woodworking machines : specialty woodworking machines : shingle machines Assignees: None Manufacturer: Day's Machine and Shingle Works - Detroit, MI Witnesses: George B. Ensworth William J. Speed	Patent Dates: Granted: Sep. 14, 1858 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Day's Machine and Shingle Works

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