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US Patent: 190,519
Square
Patentee:
Charles H. Schrier (exact or similar names) - Holyoke, MA

USPTO Classifications:
33/429

Tool Categories:
layout tools : squares

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
T. B. Kresmondahl
Otto Brueck
Patent Dates:
Applied: Apr. 02, 1877
Granted: May 08, 1877

Patent Pictures:
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