US Patent: 3,660,944
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| Grinding Machines
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Patentees:
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| John Noel Tittle (exact or similar names) - Knutsford, Cheshire County, England |
| Brian Rogers Bottomley (exact or similar names) - Altrincham, Cheshire County, England |
| Eric Warburton (exact or similar names) - Bolton, Cheshire County, England |
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Patent Dates:
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| Applied: |
Feb. 10, 1970 |
| Granted: |
May 09, 1972 |
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Joel Havens
"Vintage Machinery" entry for Churchill Machine Tool Co., Ltd.
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