US Patent: 1,406,408
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| Wrench
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Patent Dates:
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| Applied: |
May 28, 1920 |
| Granted: |
Feb. 14, 1922 |
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Patent Pictures:
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William M. Myers patent February 14, 1922 |
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Description: |
| The small "trigger" controls a dog that grips an internal rack for quick adjustment. The compound handle actuates additional jaw movement to generate a final tight grip.
Known example marked MYERS COMBINATION WRENCH MILWAUKEE WIS.
Warren D. House - patent attorney
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