US Patent: 600,389
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| Screw Clamp
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Patentee:
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| Henry C. Swan (exact or similar names) - Oshkosh, WI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 19, 1895 |
| Granted: |
Mar. 08, 1898 |
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Patent Pictures:
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Henry C. Swan patent March 8, 1898 |
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Stan Schulz
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Description: |
| The patented feature is the pad -- in particular the shape of the interior opening which allows the screw to bear even if the pad is angled in respect to the fixed jaw. |
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