| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 415/23 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 580,097 | Apr. 06, 1897 | H.D. Williams | Governor for Water Motor | water wheel governors | |
| 1,931,158 | Oct. 17, 1933 | G.A. Biggs | Hydraulic Turbine | turbine water wheels | |