| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 417/468 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 363,368 | May 24, 1887 | W.F. Dake | Double Reciprocating Square Engine | steam engines | |
| 395,039 | Dec. 25, 1888 | W.F. Dake | Engine | rotary steam engines | |