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US Patent: 320,506
Plumb Level
Patentee:
Charles Schofield (exact or similar names) - Minneapolis, MN

USPTO Classifications:
33/398

Tool Categories:
layout tools : levels : inclinometers

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Patrick H. Gunckel
Fred W. Cooley
Robert C. Knetch, Jr.
C. J. Rochwoot
Patent Dates:
Applied: Feb. 03, 1885
Granted: Jun. 23, 1885

Patent Pictures: [ 1 | 2 ]
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