| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 418/133 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 798,485 | Aug. 29, 1905 | B.F. Augustine | Rotary Engine | rotary steam engines | |
| 2,787,963 | Apr. 09, 1957 | L.A. Dolan, B.H. Lundgren | Pump | ||