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US Patent: 813,561
Level
Patentee:
Rudolph Leonhart (exact or similar names) - San Anselmo, CA

USPTO Classifications:
33/384

Tool Categories:
layout tools : levels

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Benjamin F. Snelflohn
Thomas B. Smith

Patent Dates:
Applied: Oct. 04, 1905
Granted: Feb. 27, 1906

Patent Pictures: [ 1 | 2 ]
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Report data errors or omissions to steward Russ Allen.
Description:
A removeable/small level designed to allow a carpenter to use any scrap lumber with a straight edge to make a level at the work site instead of carrying a long level there. The level is attached with two screws/nails and can be rotated to the proper position for plumb/level.

Known example is marked, "LEONHART'S LEVEL" PAT FEB 27, 06"

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