US Patent: 1,060,138
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| Wrench
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Patentee:
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| Adam J. Schoenborn (exact or similar names) - Greenleaf, KS |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 30, 1912 |
| Granted: |
Apr. 29, 1913 |
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Patent Pictures:
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1 | 2
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Adam J. Schoenborn patent April 29, 1913 |
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Stan Schulz
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Description: |
| Ratchet action angle adjustable wrench. The patent shows alternatives for open end and alligator wrench jaws. The head and handle are connected by a yoke and spring.
Schoenborn announced his patent application for the wrench to the automobile trade in 1912, and was listed in a 1915 trade directory. |
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