| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Ludwig J. Grauel | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 2,908,258 | Oct. 13, 1959 | L.J. Grauel, C.H. Schowalter | Fuel Control Mechanism for Diesel Engines | fuel systems | |
| 2,927,569 | Mar. 08, 1960 | L.J. Grauel | Engine Air Supply Control | air supply apparatus | |
| 2,987,055 | Jun. 06, 1961 | C.E. Nilson, L.J. Grauel | Combustion Air Supply Control for Internal Combustion Engines | air supply apparatus | |