US Patent: 481,230
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| Nut and Bolt Wrench
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Patentee:
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| John Hoval (exact or similar names) - Stafford, TX |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 09, 1892 |
| Granted: |
Aug. 23, 1892 |
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Patent Pictures:
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John Hoval patent August 23, 1892 |
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Stan Schulz
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Description: |
| The rack teeth on the movable jaw do not extend to the end of the base so the movable jaw cannot fall out. The movable jaw includes a socket for a screwdriver bit; the screwdriver is a major facet of the patent. |
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