US Patent: 1,941,565
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| Socket Wrench
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Patentee:
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| Sigmund Mandl (exact or similar names) - Milwaukee, WI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 20, 1933 |
| Granted: |
Jan. 02, 1934 |
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Patent Pictures:
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Sigmund Mandl pat. January 2, 1934 |
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Stan Schulz
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Description: |
| The wrench is essentially a robust nut with a striker face. It would be driven by a hammer and punch, and would rely on shock to loosen or tighten a nut which would then be free to be turned by more conventional wrenches. |
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