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| Patents for Norman S. Yost | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,828,724 | Oct. 20, 1931 | N.S. Yost | Alternating current motor | capacitor start induction motors | |
| CA-330,540 | Feb. 28, 1933 | N.S. Yost | Alternating current motor | capacitor start induction motors | |
| 1,972,966 | Sep. 11, 1934 | N.S. Yost | Electric motor | induction motors | |
| GB-421,595 | Dec. 24, 1934 | N.S. Yost | Improvements in or relating to electric motors | capacitor start induction motors | |
| 2,013,821 | Sep. 10, 1935 | N.S. Yost | Electric motor | induction motors | |