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US Patent: 370,826
Spirit Level Stock
Patentees:
Edwin A. Stratton - Greenfield, MA
Charles M. Stratton - Greenfield, MA

USPTO Classifications:
217/69, 33/350, 33/403

Tool Categories:
layout tools : levels : wooden levels

Assignees:
None

Manufacturer:
Stratton Brothers - Greenfield, MA

Witnesses:
S. Caroline Allen
Chas. Allen

Patent Dates:
Applied: Apr. 02, 1887
Granted: Oct. 04, 1887

Patent Pictures:
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Description:
The brass binding on the stock edge are now pinned through the end cap to prevent the binding from coming loose at the ends. This is an improvement over their previous patent 100,463.

Know example marked: STRATTON BROTHERS/GREENFIELD/MASS and PATENTED/JULY.16.1872/OCT.4.1887/MAY 22.1888

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