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| Patents for Willard B. Swartwout | |||||
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| Number | Date | Patentee | Title | Type | |
| 250,174 | Nov. 29, 1881 | W.B. Swartwout | Lumber-trimming machine | circular crosscut saws | |
| 279,040 | Jun. 05, 1883 | W.B. Swartwout | Lumber-trimming machine | circular crosscut saws | |
| CA-17,617 | Sep. 10, 1883 | W.B. Swartwout | Lumber trimming machine | circular crosscut saws | |
| 369,752 | Sep. 13, 1887 | W.B. Swartwout | Car-wheel | railroad car wheels | |