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US Patent: 820,448
Measure Rafter Square
Patentee: Thomas L. Turpin (exact or similar names) - Aubrey, TX USPTO Classifications: 33/456 Tool Categories: layout tools : squares layout tools : squares : miter squares Assignees: None Manufacturer: Not known to have been produced Witnesses: A. W. Walker Chas. Mays E. K. Stewart L. L. Morrill	Patent Dates: Applied: Nov. 22, 1905 Granted: May 15, 1906 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Ralph Brendler
Description: This is a specialized framing square designed for laying out complicated rafter cuts.

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