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US Patent: 660,876
Try Square
Patentee:
Derrick S. West (exact or similar names) - Boston, MA

USPTO Classifications:
33/480, D10/65

Tool Categories:
layout tools : squares : try squares

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Chas. Sterre
Edwin Planta
Patent Dates:
Applied: Apr. 19, 1899
Granted: Oct. 30, 1900

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Russ Allen.
Description:
Single piece, metal construction to ensure square remains true.

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