US Patent: RE3,918
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Wrench
Improvement in Wrenches
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Patentee:
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| George C. Taft (exact or similar names) - Worcester, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Apr. 12, 1870 |
| Reissue Information: |
| Reissue of 88,230 (Mar. 23, 1869) |
| Reissued as RE4,902 (May 14, 1872) |
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Patent Pictures:
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Loring Coes Reissue Pat. Apr. 12, 1870 |
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Stan Schulz
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Description: |
| The patent includes a "jog-bar" feature, recessed sides of the wrench head to deal with shrinkage cracking, a pin attaching the ferule to the main bar, and the shape of the adjustable jaw in relation to the main bar. |
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