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US Patent: 523,500
Steel Square
Patentee:
John George Zuck (exact or similar names) - Cleveland, OH

USPTO Classifications:
33/456

Tool Categories:
layout tools : squares

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Wm. A. Skinkle
Cornelia A. Skinkle

Patent Dates:
Applied: Feb. 17, 1894
Granted: Jul. 24, 1894

Patent Pictures: [ 1 | 2 ]
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Report data errors or omissions to steward Russ Allen.
Description:
Example found with a second patent date, see 632,799

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