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US Patent: 1,404,425
Surface Gauge
Patentee:
Max Bartholdy (exact or similar names) - Karlskoga, Sweden

USPTO Classifications:
33/32.2

Tool Categories:
layout tools : measurement gauges : surface gauges

Assignees:
Fried. Krupp Aktiengesellschaft - Essen-on-the-Ruhr, Germany

Manufacturer:
Not known to have been produced

Witnesses:
O. A. Hernell
G. Sjagien
Patent Dates:
Applied: Nov. 06, 1920
Granted: Jan. 24, 1922

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