| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 418/185 | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 2,236 | Sep. 04, 1841 | S.A. Lee | Rotary Pump | ||
| 1,859,618 | May 24, 1932 | W.W. Cleland | Rotary Internal Combustion Engine | ||
 | 1,988,213 | Jan. 15, 1935 | P.O. Ott | Multiple Rotary Pump | |
| 2,492,687 | Dec. 27, 1949 | A.H. Dall | Hydraulic Pump | ||