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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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