US Patent: 318,526
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| Taper Measuring Tool
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Patentees:
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| Frederick Waite (exact or similar names) - Hartford, Hartford County, CT |
| Frederick H. Tidgewell (exact or similar names) - Hartford, Hartford County, CT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 29, 1884 |
| Granted: |
May 26, 1885 |
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Joel Havens
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