US Patent: 2,886,717
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| Measuring Apparatus
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Patentees:
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| David T. M. Williamson (exact or similar names) - Edinburgh, Scotland |
| Alexander T. Sheperd (exact or similar names) - Edinburgh, Scotland |
| George S. Walker (exact or similar names) - Edinburgh, Scotland |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 12, 1954 |
| Granted: |
May 12, 1959 |
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Joel Havens
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Description: |
| Cameron, Kerkam & Sutton- patent attorneys
Application filed in Great Britain, 14 Mar 1953.
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