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US Patent: 426,001
Combined Square, Level & Surface Gage
Patentee:
Hampton W. Evans - Philadelphia, PA

USPTO Classifications:
33/27.033, 33/332, 33/343, 33/427, 33/451

Tool Categories:
layout tools : squares
layout tools : levels : metallic levels
layout tools : levels : machinist levels
layout tools : measurement gauges : surface gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
George W. Reed
Thomas M. Smith

Patent Dates:
Applied: Jan. 11, 1890
Granted: Apr. 22, 1890

Patent Pictures:
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