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US Patent: 743,100
Carpenter's Level and Quadrant
Patentee:
William Potter - New York, NY

USPTO Classifications:
33/388

Tool Categories:
layout tools : levels : spirit levels
layout tools : levels : plumbs

Assignees:
Potter Level Co. - New York, NY

Manufacturer:
Potter Level Co. - New York, NY

Witnesses:
August J. Besson
Paul Edward Wisch

Patent Dates:
Applied: Jun. 01, 1903
Granted: Nov. 03, 1903

Patent Pictures: [ 1 | 2 ]
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