US Patent: 2,448,106
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Thread Checking Apparatus
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Patentees:
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Ivan Waldemar Mannerbrink (exact or similar names) - Goteborg, Sweden |
Johan Ludwig Sandström (exact or similar names) - Goteborg, Sweden |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Aug. 09, 1944 |
Granted: |
Aug. 31, 1948 |
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Joel Havens
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Description: |
Howson & Howson - patent attorneys
Application in Sweden 12 Aug 1943. |
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