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US Patent: 1,429,793
Center-Finding Instrument
Patentee:
Edwin Theodore Strauss - La Crosse, WI

USPTO Classifications:
33/428

Tool Categories:
layout tools : squares : center squares

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 08, 1920
Granted: Sep. 19, 1922

Patent Pictures:
USPTO pdf tiff
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Description:
This tool provides a standard center finder with several additional adjustments.

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