| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for George Louis Crook | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 931,389 | Aug. 17, 1909 | G.L. Crook | Internal Combustion Engine | gas and gasoline engines | |
| 933,698 | Sep. 07, 1909 | G.L. Crook | Valve | internal combustion engine valves | |