US Patent: 1,653,861
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| Wrench
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Patentee:
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| Carl H. Leonard (exact or similar names) - Pender, NE |
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Patent Dates:
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| Applied: |
Oct. 23, 1926 |
| Granted: |
Dec. 27, 1927 |
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Patent Pictures:
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1 | 2
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Carl H. Leonard patent Dec. 27, 1927 |
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Stan Schulz
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Description: |
| The linkage between the pliers-type handles and the sliding jaw allows for parallel jaw movement. Known examples may be prototypes; the bottom one in the 2nd image more closely corresponds to this patent. Both appear to be impractical. |
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