US Patent: 270,925
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| Apparatus for Cutting Stone
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Patentees:
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| William Worby Beaumont (exact or similar names) - Camberwell, Surrey County, England |
| James Welman (exact or similar names) - Poole, Dorset County, England |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 14, 1882 |
| Granted: |
Jan. 23, 1883 |
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Joel Havens
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Description: |
| Patented in England, 16 Jun., 1881, 2,628. |
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