US Patent: 231,303
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| Wrench
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Patentee:
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| Theodore Paul Franke (exact or similar names) - Buffalo, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 07, 1880 |
| Granted: |
Aug. 17, 1880 |
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Patent Pictures:
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Theodore P. Franke patent August 17, 1880 |
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Stan Schulz
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Description: |
| The pivoted hook jaw has a leaf spring to hold it in the gripping position. The movable portion of the "fixed" jaw adjusts in and out by means of a rod extending through the end of the handle, with the selected position held by spring-loaded pawl. |
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