| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Stephen P. Ruggles | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 9,410 | Nov. 16, 1852 | S.P. Ruggles | Improvement in Printing-Presses | printing presses | |
| 79,781 | Jul. 07, 1868 | S.P. Ruggles | Improvement in Rotary Fluid-Elevators | rotary pumps | |