US Patent: 252,726
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| Turning or Shaping Stone
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Patentees:
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| John D. Brunton (exact or similar names) - Westminister, Middlesex County, England |
| Frank H. J. Trier (exact or similar names) - Westminister, Middlesex County, England |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 28, 1881 |
| Granted: |
Jan. 24, 1882 |
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Joel Havens
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