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US Patent: 1,435,054
Spirit-Level and Plumb
Patentee:
Hal C. Drummond (exact or similar names) - Davenport, IA

USPTO Classifications:
33/353, 33/370

Tool Categories:
layout tools : levels

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jan. 03, 1921
Granted: Nov. 07, 1922

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Ralph Brendler
Description:
This is a specialized level designed for laying out line shafts and motors.

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