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US Patent: 347,016
Calipers for Inside and Outside Measurement
Patentee:
Christian Tepel (exact or similar names) - Pittsburgh, PA

USPTO Classifications:
33/451

Tool Categories:
layout tools : calipers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Louis Moeser
Ig. Stauffer
Patent Dates:
Applied: Nov. 06, 1885
Granted: Aug. 10, 1886

Patent Pictures:
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