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US Patent: 329,892
Combined Gage and Center Square
Patentee:
John C. Eckert - Dayton, OH

USPTO Classifications:
33/27.032, 33/419

Tool Categories:
layout tools : squares : center squares

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
B. Pickering
Sumner T. Smith

Patent Dates:
Applied: Jul. 23, 1885
Granted: Nov. 10, 1885

Patent Pictures:
USPTO pdf tiff
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