| Patents for Harvey D. Williams |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 580,097 | Apr. 06, 1897 | H.D. Williams | Governor for Water Motor | water wheel governors |
| 580,098 | Apr. 06, 1897 | H.D. Williams | Governor for Water Motors | water wheel governors |
| 580,099 | Apr. 06, 1897 | H.D. Williams | Governor for Water Motors | water wheel governors |
| 613,950 | Nov. 08, 1898 | E.C. Lewis, H.G. Hoadley, H.D. Williams | Lever and Ratch Attachment | ratchet wrenches |
| 658,478 | Sep. 25, 1900 | H.G. Hoadley, H.D. Williams | Mechanical Movement | ratchet wrenches |
| 925,148 | Jun. 15, 1909 | H.D. Williams | Variable Speed Gear | industrial machine speed and direction changing mechanisms |
