| All Patents in class 310/267 |
Patents 1 -
15
of 18
      |
| Number | Date | Patentee | Title | Type |
| 120,057 | Oct. 17, 1871 | Z. Gramme, E.L. d'Ivernois | Improvement in magneto-electric machines | electric generators |
| 281,416 | Jul. 17, 1883 | E. Thomson | Dynamo Electric Machine | motor armatures |
| 354,538 | Dec. 21, 1886 | F.B. Crocker, C.G. Curtis | Dynamo Electric Machine or Motor | electric motors |
| 359,205 | Mar. 08, 1887 | F.B. Crocker, S.S. Wheeler, C.G. Curtis | Armature and Process of and Apparatus for Forming the Same | electric motors |
| 387,432 | Aug. 07, 1888 | A.W. Meston | Armature for dynamo-electric machines | motor armatures |
| 393,266 | Nov. 20, 1888 | A.L. Riker | Electric motor and dynamo | electric motor making |
| 451,884 | May 05, 1891 | S.S. Wheeler | Electric motor or dynamo-electric machine | electric motors |
| 451,894 | May 05, 1891 | W.F. Collins | Electric motor or dynamo-electric machine | electric motors |
| 480,727 | Aug. 16, 1892 | E. Kolben | Armature-conductor and means for insulating the same | motor armatures |
| 480,728 | Aug. 16, 1892 | E. Kolben | Ring-armature | motor armatures |
| 480,740 | Aug. 16, 1892 | H.F. Parshall | Armature for dynamo-electric machines | motor armatures |
| 491,568 | Feb. 14, 1893 | E. Kolben | Armature and means for supporting the same | motor armatures |
| 491,708 | Feb. 14, 1893 | C.W. Jefferson | Electric Motor and Dynamo Mica Insulator | electrical insulation |
| 503,106 | Aug. 08, 1893 | S.S. Wheeler | Armature for Dynamo Machines and Motors | electric motors |
| 518,562 | Apr. 17, 1894 | H.P. Brown | Armature for electric motors | motor armatures |
