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US Patent: 1,286,332
Try-Square
Patentee:
Vernon H. Johns - 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 pdf tiff
Google Patents
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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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