US Patent: 1,225,231
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| Screw Cap Wrench
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Patentee:
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| Emanuel L. Fenstermaker (exact or similar names) - Lancaster, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 01, 1915 |
| Granted: |
May 08, 1917 |
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Patent Pictures:
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Emanuel L. Fenstermaker patent May 8, 1917 |
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Stan Schulz
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Description: |
| The key features are the "shoe" section with a face curved to match the jar lid circumference, and the wire loop. The patent shows malleable or stamped steel alternative handles. |
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