| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 418/134 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 69,383 | Oct. 01, 1867 | M.L. Andrew | Improvement in rotary engines | rotary steam engines | |
| 208,298 | Sep. 24, 1878 | J. Darling | Rotary- Engines | rotary steam engines | |