US Patent: 1,337,678
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| Wrench
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Patentee:
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| James H. Williams (exact or similar names) - Leverett, MA |
| USPTO Classifications: |
| 81/98 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 01, 1917 |
| Granted: |
Apr. 20, 1920 |
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Stan Schulz
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Description: |
| Richard P. Owen - patent attorney
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