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| Patents for James M. Naul | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,823,555 | Sep. 15, 1931 | J.M. Naul | Electric phonograph motor | ||
| 1,929,092 | Oct. 03, 1933 | J.M. Naul, F. Diehl | Two-speed phonograph driving device | ||
| 1,947,423 | Feb. 13, 1934 | J.M. Naul | Phonograph motor | ||
| 1,956,041 | Apr. 24, 1934 | J.M. Naul | Radio-tuner motor | electric motors | |