US Patent: 595,975
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| Wrench For Oil Well Tools
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Patentee:
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| Leonard D. Shryock (exact or similar names) - Marietta, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 07, 1897 |
| Granted: |
Dec. 21, 1897 |
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Patent Pictures:
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Leonard D. Shryock patent December 21, 1897 |
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Stan Schulz
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Description: |
| The wrench proper is the smaller portion with a carrier joint to connect it to the larger handle and head. This wrench has a open side and paired handles. It is intended to attach drill heads, etc. to the over all drilling structure whether that is a cable or casing. |
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