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| All Patents in class 310/149 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 336,962 | Mar. 02, 1886 | N. Tesla | Regulator for Dynamo-Electric Machines | ||
 | RE11,787 | Nov. 14, 1899 | C.R. Meston | Electric motor | |
 | 1,002,383 | Sep. 05, 1911 | V.A. Fynn | Dynamo-electric machine | |
| 1,043,325 | Nov. 05, 1912 | J.C. Lincoln | Variable Speed Electric Motor | ||
 | 1,104,184 | Jul. 21, 1914 | V.A. Fynn | Dynamo-electric machine | |
 | 1,118,928 | Dec. 01, 1914 | V.A. Fynn | Dynamo-electric machine | |
 | 1,501,878 | Jul. 15, 1924 | J. Burke | Generator for arc welding | |