| All Patents of Type: motor armatures |
Patents 1 -
15
of 19
      |
| Number | Date | Patentee | Title | Type |
| 281,416 | Jul. 17, 1883 | E. Thomson | Dynamo Electric Machine | motor armatures |
| 302,557 | Jul. 29, 1884 | W.K. Freeman | Armature Winding for Dynamo Machines | motor windings |
| 356,902 | Feb. 01, 1887 | E. Thomson | Armature for Dynamo Electric Machines | motor armatures |
| 387,432 | Aug. 07, 1888 | A.W. Meston | Armature for dynamo-electric machines | motor armatures |
| 394,818 | Dec. 18, 1888 | C.S. Bradley | Dynamo-electric machinery | motor armatures |
| 394,819 | Dec. 18, 1888 | C.S. Bradley | Dynamo-electric machinery | motor armatures |
| 486,078 | Nov. 15, 1892 | C.S. Bradley | Armature for dynamo-electric machines and electric motors | motor armatures |
| 553,557 | Jan. 28, 1896 | R.M. Gardner | Armature for Electric Machines | motor armatures |
| 928,037 | Jul. 13, 1909 | W.H. Frost | Dynamo-electric machine | motor armatures |
| 934,210 | Sep. 14, 1909 | W.D. Pomeroy | Dynamo-electric machines | motor armatures |
| 1,013,753 | Jan. 02, 1912 | G. Dunn | Squirrel-cage rotor for electric motors | induction motors |
| 1,046,834 | Dec. 10, 1912 | C.B. Mills | Core structure for dynamo-electric machines | motor armatures |
| 1,068,757 | Jul. 29, 1913 | G.H. Garcelon | Secondary member of induction-motors | motor armatures |
| 1,150,049 | Aug. 17, 1915 | F.S. Martin | Laminated structure | motor armatures |
| 1,156,711 | Oct. 12, 1915 | Y. Sakai | Armature-winding | motor armatures |
