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US Patent: 1,286,332
Try-Square
Patentee: Vernon H. Johns (exact or similar names) - Wauconda, IL USPTO Classifications: 33/426 Tool Categories: layout tools : squares layout tools : bevels Assignees: None Manufacturer: Not known to have been produced Witnesses: Clarence E. Jenks Asa L. Crabtree Guy M. Spring Ross J. Woodward	Patent Dates: Applied: Oct. 27, 1917 Granted: Dec. 03, 1918 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Ralph Brendler
Description: This try square features a pivoting blade abd protractor arc to allow it to be set to a specific angle.

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