| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 418/179 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 238,603 | Mar. 08, 1881 | E. Medden | Rotary engine | rotary steam engines | |
| 2,126,200 | Aug. 09, 1938 | B.A. Linderman | Method of making pump gears | vehicle brakes | |