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US Patent: 427,956
Beam Caliper
Patentee:
Stephen H. Bellows (exact or similar names) - Athol, MA

USPTO Classifications:
33/806

Tool Categories:
layout tools : measurement gauges

Assignees:
None

Manufacturer:
Standard Tool Co. (Athol) - Athol, Worcester County, MA

Witnesses:
George T. Johnson
Oscar A. Scott
Patent Dates:
Applied: Dec. 26, 1889
Granted: May 13, 1890

Patent Pictures: [ 1 | 2 ]
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