![]()  | |||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 415/92 | |||||
| Number | Date | Patentee | Title | Type | |
| 5,294X | Dec. 06, 1828 | O. Thompson | Inclined water wheel | water wheels | |
| 450,874 | Apr. 21, 1891 | J. Schwarzmann | Rotary Engine | rotary steam engines | |