US Patent: 154,445
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| Improvement in Hose-Spanners
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Patentee:
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| David U. Beecher (exact or similar names) - Stoneham, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 31, 1874 |
| Granted: |
Aug. 25, 1874 |
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Patent Pictures:
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David U. Beecher Pat. Aug. 25, 1874 |
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Stan Schulz
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Description: |
| The jaws have key-hole shaped notches with openings facing in opposite directions, enabling the wrench to tighten or loosen couplings without reversing the wrench. |
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