US Patent: 763,738
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| Boring Machine
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Patentees:
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| James W. Heath (exact or similar names) - Athol, Worcester County, MA |
| Julius S. Duquette (exact or similar names) - Athol, Worcester County, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 10, 1903 |
| Granted: |
Jun. 28, 1904 |
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Jeff Joslin
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