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US Patent: 2,211,201
Machinist's precision level
Patentee:
William B. Fell (exact or similar names) - Rockford, IL

USPTO Classifications:
33/380, 33/385, 33/390

Tool Categories:
layout tools : levels : spirit levels

Assignees:
None

Manufacturer:
William B. Fell Co. - Rockford, IL

Witnesses:
Unknown

Patent Dates:
Applied: May 16, 1938
Granted: Aug. 13, 1940

Patent Pictures:
USPTO (New site tip)
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Description:
This bullseye-style level allows you to read level in two dimensions simultaneously, which is ideal for leveling a precision machine tool.

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