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| Patents for Zachariah C. Phillips | |||||
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| Number | Date | Patentee | Title | Type | |
| 158,809 | Jan. 19, 1875 | Z.C. Phillips | Improvement in boring-machines | drilling and boring | |
| 296,053 | Apr. 01, 1884 | Z.C. Phillips | Boring-machine | portable timber mortisers | |