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| Patents for N. E. Oliphant | |||||
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| Number | Date | Patentee | Title | Type | |
| 792,684 | Jun. 20, 1905 | T.S. Watson | Electric motor | electric motors | |
| 969,183 | Sep. 06, 1910 | J.M. Nash | Abrading-machine | sanding machines | |
| 975,789 | Nov. 15, 1910 | T.A. Panyard | Gearing | cutter grinding | |