US Patent: 832,203
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| Calipers
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Patentees:
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| Emil Kohler (exact or similar names) - Chemnitz, Germany |
| Richard Petzold (exact or similar names) - Chemnitz, Germany |
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Patent Dates:
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| Applied: |
Jun. 26, 1904 |
| Granted: |
Oct. 02, 1906 |
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Patent Pictures:
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1 | 2
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Ralph Brendler
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Description: |
| These calipers feature a short third arm that one of the legs can register against. This allows one arm rotated out of the way, then returned to its original position accurately, to accomodate measuring around obstacles.
Known examples are marked with the manufacturer name and "Patented EK". |
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