US Patent: 2,690,081
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| Mechanical Movement
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Patentees:
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| Gustaf E. Björklund (exact or similar names) - Stockholm, Stockholm County, Södermanland and Uppland, Sweden |
| Karl Å. Lindblom (exact or similar names) - Stockholm, Stockholm County, Södermanland and Uppland, Sweden |
| Manufacturer: |
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Diamant Products - Stockholm, Stockholm County, Södermanland and Uppland, Sweden |
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Patent Dates:
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| Applied: |
Aug. 03, 1950 |
| Granted: |
Sep. 28, 1954 |
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Patent Pictures:
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Joel Havens The Diprofil Machine
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