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| Patents for Hoover Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
| 1,750,745 | Mar. 18, 1930 | B.L. Conley | Universal motor | ||
 | CA-369,408 | Oct. 19, 1937 | B.L. Conley | Electric motor | |
| 2,184,411 | Dec. 26, 1939 | B.L. Conley | Electric motor switch | ||
| 2,581,958 | Jan. 08, 1952 | F.S. Kingston | Antifriction bearing | ||