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US Patent: 433,570
Plumb-level
Patentee:
Niels Jensen (exact or similar names) - Minneapolis, MN

USPTO Classifications:
33/400

Tool Categories:
layout tools : levels : inclinometers

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Bessie Booth
C. G. Hawley
Patent Dates:
Applied: Apr. 11, 1890
Granted: Aug. 05, 1890

Patent Pictures: [ 1 | 2 ]
Image courtesy and © Fine Tool Journal, http://www.finetoolj.com/
USPTO (New site tip)
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Report data errors or omissions to steward Jeff Joslin
Description:
Examples of this inclinometer are rare.

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