US Patent: 1,077,343
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| Wrench
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Patentee:
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| Hubert E. Hayward (exact or similar names) - Aldrich, MO |
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Patent Dates:
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| Applied: |
Jul. 11, 1912 |
| Granted: |
Nov. 04, 1913 |
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Patent Pictures:
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1 | 2
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Hubert H. Hayward patent November 4, 1913, with 7 inch example |
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Stan Schulz
Hubert H. Hayward
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Description: |
| A double parallelogram linkage between the handle and adjustable jaw makes the wrench self-adjusting.
According to a descendant, the company operated from 1913 to 1934. |
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