| Patents for Benjamin B. Hull |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
 | 524,396 | Aug. 14, 1894 | W.B. Potter | Controller for Electric Motors |
 | 544,396 | Aug. 13, 1895 | E. Thomson | Winding of dynamo-electric machines or motors |
 | 714,811 | Dec. 02, 1902 | W.D. Litchfield | Brush-holder |
 | 714,881 | Dec. 02, 1902 | W.L. Emmet | Clamping-finger |
 | 784,807 | Mar. 14, 1905 | H.G. Reist | Dynamo-electric machine |
 | 882,602 | Mar. 24, 1908 | H.E. White | Controlling-Switch |
 | 890,697 | Jun. 16, 1908 | J.E. Noeggerath | Protective device for unipolar machines |
 | 897,475 | Sep. 01, 1908 | M. Milch | Alternating-current motor |
 | 928,037 | Jul. 13, 1909 | W.H. Frost | Dynamo-electric machine |
 | 1,041,859 | Oct. 22, 1912 | T.W. Nowell | Motor Controlling Device |
