US Patent: 784,200
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| Wrench Attachment
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Patentee:
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| Joseph C. Zumwalt (exact or similar names) - Clay Center, NE |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 14, 1904 |
| Granted: |
Mar. 07, 1905 |
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Patent Pictures:
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Joseph C. Zumwalt patent March 7, 1905 |
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Stan Schulz
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Description: |
| Pipe grip attachment for nut wrench comprised of a roller with gripping surface and indentations on the ends, along with a spring clip. The combination could also be used as a key ring. |
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