US Patent: 451,023
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| Wrench
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Patentee:
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| James H. Brown (exact or similar names) - Evanston, IL |
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Patent Dates:
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| Applied: |
Nov. 19, 1890 |
| Granted: |
Apr. 28, 1891 |
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Patent Pictures:
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1 | 2
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James H. Brown patented April 28, 1891 |
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Stan Schulz
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Description: |
| Adjusting worm engages teeth cut in the margins of a center slot in the handle. Wrench body and adjustable jaw formed of sheet steel stampings.
A sheet steel wrench with identical design was advertised by the Chicago Stamping Company in 1892. |
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