| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Fort Madison Gas Engine Co. | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 896,439 | Aug. 18, 1908 | H.J. Criner | Valve | internal combustion engine valves | |
| 953,460 | Mar. 29, 1910 | H.J. Criner | Exhaust Valve Regulator | internal combustion engine valves | |
| 998,327 | Jul. 18, 1911 | H.J. Criner | Exhaust Valve Regulator | ||