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US Patent: 380,740
Surface Gage
Patentee:
Henry C. Balsbaugh (exact or similar names) - Harrisburg, PA

USPTO Classifications:
33/32.2

Tool Categories:
layout tools : measurement gauges : surface gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Theophilus Weaver
A. Brackenridge
Patent Dates:
Applied: Jun. 21, 1887
Granted: Apr. 10, 1888

Patent Pictures:
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