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| Patents for Advance Electric Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 772,083 | Oct. 11, 1904 | E. Bretch | Electric motor | repulsion start induction run motors | |
| 848,719 | Apr. 02, 1907 | E. Bretch | Alternating-current motor | motor armatures | |
| 1,041,009 | Oct. 15, 1912 | E. Bretch | Electric motor | induction motors | |
| 1,111,358 | Sep. 22, 1914 | E. Bretch | Short-circuiting device | electric motors | |
| 1,394,535 | Oct. 25, 1921 | E. Bretch | Electric Motor | electric motors | |
| 1,934,909 | Nov. 14, 1933 | E. Bretch | Alternating Current Motor | electric motors | |