US Patent: 1,386,217
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| Wrench
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Patent Dates:
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| Applied: |
Nov. 14, 1919 |
| Granted: |
Aug. 02, 1921 |
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Patent Pictures:
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1 | 2
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John Zilliox patent August 2, 1921 |
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Description: |
| The patent is for the construction of an adjustable wrench jaw made from a stamped and folded piece of sheet metal, and an associated adjusting knurl and the threaded rod it runs on.
Some known examples are marked PAT APLD FOR, or with the patent date; one known example with the patent date is also marked SEARS & ROBUCK. Park Metalware of Orchard Park, N.Y. produced several Zilliox patents -- see 1,491,942, 1,535,281, & 1,639,831. |
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