| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | Patent number: | Patent Date: |
| Patents for Compagnie Des Moteurs a Gaz Française , Systéme Ravel | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 236,258 | Jan. 04, 1881 | J. Ravel | Oscillating Gas Motor | gas and gasoline engines | |