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 |
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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