| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for George G. Roby | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| CA-3,499 | May 29, 1874 | C.G. Wiard, G.G. Roby, E. McCoy | Perfectionnements aux Grasseurs de Machines a Vapeur | steam engine lubricators | |