| Patents for William H. Powell |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 284,580 | Sep. 04, 1883 | W.G. Vernon | Band saw machine | bandsaws |
| 349,833 | Sep. 28, 1886 | B.F. Asper | Chain-saw | sawblades |
| 865,811 | Sep. 10, 1907 | W.H. Powell | System of motor control | motor controls |
| 865,813 | Sep. 10, 1907 | W.H. Powell | Methods and means for controlling electric motors | motor controls |
| 865,814 | Sep. 10, 1907 | W.H. Powell | Motor-control system | motor controls |
| 865,816 | Sep. 10, 1907 | W.H. Powell | Motor-control system | motor controls |
| 1,051,821 | Jan. 28, 1913 | W.H. Powell | Dynamo-electric machine | electric motors |
