US Patent: 943,757
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| Wrench
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Patent Dates:
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| Applied: |
Nov. 10, 1908 |
| Granted: |
Dec. 21, 1909 |
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Patent Pictures:
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Harry E. Stephens patent December 21, 1909 |
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Description: |
| The angle of the head to the shank is adjustable in ratchet fashion in approximately a quarter turn in either direction. Produced in sets of six sizes.
Compare to the CRANDALL EXPERT (pat. no. 1,061,662) which is another approach to the same overall functionality. |
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