US Patent: 1,854,242
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| Machine for Measuring Taps
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Patentees:
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| Harvey M. Allison (exact or similar names) - Worcester, MA |
| Ernest A. Walker (exact or similar names) - Worcester, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 22, 1928 |
| Granted: |
Apr. 19, 1932 |
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Joel Havens
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Description: |
| Southgate, Fay & Hawley - patent attorneys
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