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| All Patents in class 310/61 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 583,933 | Jun. 08, 1897 | E.S. Pillsbury | Electric Motor | |
| 686,856 | Nov. 19, 1901 | W. Langdon-Davies, A. Soames | Dynamo Electric Machine | ||
| 714,721 | Dec. 02, 1902 | R. Lundell | Armature Winding for Electric Motors or Dynamos | ||
 | 876,955 | Jan. 21, 1908 | R.S. Feicht | Dynamo-electric machine | |
 | 3,088,042 | Apr. 30, 1963 | R.I. Robinson | Electric motor with improved cooling means | |
 | 3,188,833 | Jun. 15, 1965 | R.I. Robinson | Electric motor with improved cooling means | |