| 2004403 | Gas fuel feed device | |||
| 2071717 | Fuel and air mixing device | |||
| 2143194 | Carburetion apparatus for internal combustion engines | |||
| 2155763 | Liquid and gaseous fuel carburetor | |||
| 2169487 | Carbureting apparatus | |||
| 2211664 | Method and apparatus for operating internal combustion engines | |||
| 2254834 | Dual carburetor control | |||
| 2315847 | High vapor pressure fuel vaporizer-carburetor combination | |||
| 2323442 | Manifold | |||
| 2326205 | Charge forming device | |||
| 2363153 | ||||
| 2420925 |