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| Patents for William Nelson | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,274X | Nov. 13, 1828 | W. Nelson | Spiral (spinal?) curvilinear compressor | ||
| 1,213,340 | Jan. 23, 1917 | F.M. Davis | Gas-engine | cylinders | |
| 1,287,254 | Dec. 10, 1918 | A.C. Hoeh, F.M. Davis | Bearing | internal combustion engines | |