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US Patent: 36,977
Improvement in Trying Squares
Patentee: T. W. Wisner (exact or similar names) - Osceola, MI USPTO Classifications: 33/418 Tool Categories: layout tools : squares : try squares Assignees: None Manufacturer: Not known to have been produced Witnesses: G. W. Reed J. W. Coombs Geo. L. Saye Mylo L. Gay	Patent Dates: Granted: Nov. 18, 1862 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Ralph Brendler
Description: This square provides an adjustable bearing face to accomodate for inaccuracies in the angle between the blade and face.

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