US Patent: 1,437,458
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| Wrench
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Patentee:
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| Frederick E. Walden (exact or similar names) - Worcester, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 28, 1920 |
| Granted: |
Dec. 05, 1922 |
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Patent Pictures:
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Frederick E. Walden patent Dec. 5, 1922 |
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Stan Schulz
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Description: |
| Ratchet wrench formed of bent wire. Drawing show the wrench in operation on square nuts or the shanks of sockets. Patent no. 1,453,898 modifies and extends the idea and incorporates features to facilitate operation on hex nuts and bolt heads.
Application renewed Apr. 28, 1922. |
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