US Patent: D138,515
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| Combined Wrench and Spanner
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| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 17, 1944 |
| Granted: |
Aug. 15, 1944 |
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Patent Pictures:
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Otto Hardy design patent August 15, 1944 |
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Stan Schulz
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Description: |
| The pentagon box openings suggest this design is for a folding fire hose spanner and hydrant wrench.
Patent term 7 years. |
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