![]() | |||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Ellwood City Gas Engine Co. | |||||
| Number | Date | Patentee | Title | Type | |
| 632,917 | Sep. 12, 1899 | C.R. Daellenbach | Explosive Engine | ||
| 632,918 | Sep. 12, 1899 | C.R. Daellenbach | Explosive Engine | ||