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US Patent: 857,891
Plum-Level
Patentee:
Frank M. McLeroy (exact or similar names) - Gainesville, GA

USPTO Classifications:
33/348.2

Tool Categories:
layout tools : levels

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Paul Reynolds
J. B. Martin
E. K. Stewart

Patent Dates:
Applied: Jun. 18, 1906
Granted: Jun. 25, 1907

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Ralph Brendler
Description:
This level features a series of batteries that drives a small bulb to allow the level vials to be read in dark places.

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