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| All Patents in class 301/41.1 | |||||
| Number | Date | Patentee | Title | Type | |
| 521,988 | Jun. 26, 1894 | C. Quast | Traction Engine | traction engine propulsion components | |
| 570,952 | Nov. 10, 1896 | R.H. Plass | Self-propelling vehicle | motor vehicles | |