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| Patents for Andrew N. Cole | |||||
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| Number | Date | Patentee | Title | Type | |
| XC-853 | Jul. 13, 1858 | A.N. Cole | Instrument, called Cole's Gravitating Plumb and Level | levels | |
| NS-55 | Jan. 28, 1860 | A.N. Cole | Gravitating plumb and level | levels | |