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US Patent: 714,957
Plumb Level
Patentee:
Orwig F. Sinigar (exact or similar names) - Canton, Stark County, OH

USPTO Classifications:
33/374, 33/392

Tool Categories:
layout tools : levels : plumbs

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Mar. 13, 1902
Granted: Dec. 02, 1902

Patent Pictures:
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