US Patent: 234,540
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| Combined Wrench and Screw Driver
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Patentee:
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| John K. Collins (exact or similar names) - Lebanon, NH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 24, 1880 |
| Granted: |
Nov. 16, 1880 |
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Patent Pictures:
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John K. Collins Pat. November 16, 1880 |
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Stan Schulz
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Description: |
| The screwdriver folds within the shank of the wrench. The wrenches are an open end and a square socket. The intended use was maintenance of percussion cap firearms. |
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