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US Patent: 1,961,647
Thread Gauge
Patentee:
Soshichi Sonoda (exact or similar names) - Itabitsu, Kokura, Japan

USPTO Classifications:
33/199R

Tool Categories:
metalworking tools : machinist tools : measuring tools : thread gages
layout tools : special purpose gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Jul. 02, 1929
Granted: Jun. 05, 1934

Patent Pictures:
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