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US Patent: 2,448,106
Thread Checking Apparatus
Patentees:
Ivan Waldemar Mannerbrink (exact or similar names) - Goteborg, Sweden
Johan Ludwig Sandström (exact or similar names) - Goteborg, Sweden

USPTO Classifications:
33/199R, 33/784

Tool Categories:
layout tools : measurement gauges

Assignees:
SKF Industries, Inc. - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Aug. 09, 1944
Granted: Aug. 31, 1948

Patent Pictures:
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Description:
Howson & Howson - patent attorneys

Application in Sweden 12 Aug 1943.

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