| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 416/183 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 32,131 | Apr. 23, 1861 | C. Greenawalt | Water Wheel | water wheels | |
| 450,874 | Apr. 21, 1891 | J. Schwarzmann | Rotary Engine | rotary steam engines | |
| 2,480,807 | Aug. 30, 1949 | C.B. De Vlieg | Method and apparatus for making impeller wheels | milling machines | |