US Patent: 56,838
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| Hammer
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| USPTO Classifications: |
| 81/23 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jul. 31, 1866 |
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Patent Pictures:
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W. G. Ward patent July 31, 1866 |
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Stan Schulz
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Description: |
| A groove and spring on the underside of the hammer head hold a nail. The patent drawing shows the hammer being used by a one-armed person. |
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