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US Patent: 871,996
Measuring Instrument
Folding Level
Patentees:
Jacob Jacobson - Brooklyn, NY
John Haugland - Brooklyn, NY

USPTO Classifications:
33/376, 33/458, 403/376

Tool Categories:
layout tools : levels : wooden levels

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Ed. J. Fandrey
Oscar Brevard

Patent Dates:
Applied: May 21, 1907
Granted: Nov. 26, 1907

Patent Pictures: [ 1 | 2 ]
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