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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: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: Howson & Howson - patent attorneys Application in Sweden 12 Aug 1943.

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