US Patent: 579,438
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| Wrench
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Patentee:
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| Joseph P. Lavigne (exact or similar names) - New Haven, CT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 07, 1897 |
| Granted: |
Mar. 23, 1897 |
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Patent Pictures:
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Joseph P. Lavigne patent March 23, 1897 |
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Stan Schulz
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Description: |
| The body of the wrench is formed of two "flanged" stampings riveted together, with the movable jaw sliding between them.
Seymour & Earl - patent attorneys
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