US Patent: 912,338
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| Combination Ratchet Wrench
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Patentee:
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| Frederick E. Walden (exact or similar names) - Worcester, Worcester County, MA |
| USPTO Classifications: |
| 7/138 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 24, 1908 |
| Granted: |
Feb. 16, 1909 |
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Patent Pictures:
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Frederick E. Walden patent Febr. 16, 1909 |
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Stan Schulz
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Description: |
| Hinged compartments can hold different box wrench sizes, thread dies, or a tap wrench. The end compartment has a "one-way" ratchet; the central compartment has a reversible ratchet so the wrench could drive left-hand or right-hand taps with equal facility. |
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