US Patent: 2,428,949
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| Wrench With Toggle Actuated Jaw
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Patentees:
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| Vincent S. Ward (exact or similar names) - Binghamton, NY |
| Gordon K. Hurlbut (exact or similar names) - Binghamton, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 22, 1946 |
| Granted: |
Oct. 14, 1947 |
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Patent Pictures:
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Vincent S. Ward and Gordon K. Hurlbut patent October 14, 1947 |
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Stan Schulz
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Description: |
| Adjustable jaw on a parallelogram frame, with one corner shifted by a spiral cam to accomplish the size adjustment.
Patent nos. 249,477 and 2,420,020 are cited as references. |
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