![]() | |||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 418/131 | |||||
| Picture | Number | Date | Patentee | Title | |
| 465,907 | Dec. 29, 1891 | W.N. Whipple | Rotary Steam Engine | ||
| 5,417,555 | May 23, 1995 | I.E. Wolfe, D.J. Luoma, W.G. Kuban | Rotary vane machine having end seal plates | ||