| 2511862 | N/A | |||
| 2511858 | Method of making propeller blades | |||
| 2496169 | Variable pitch propeller | |||
| 2465007 | Aircraft propeller | |||
| 2451099 | Method of uniting metal pieces by means of a bonding layer of predetermined thickness | |||
| 2366164 | Brazing | |||
| 2364635 | Propeller blade | |||
| 2272439 | Aircraft sustaining rotor blade | |||
| 2262163 | Propeller blade | |||
| 2259247 | Propeller blade | |||
| 2081645 | Method of producing propeller blades | |||
| 1950080 | Aircraft of the rotative wing type | |||
| 1927247 | Method of making propeller blades | |||
| 1869478 | Method of forming a propeller | |||
| 1854550 | Method of making tubes |
| FR877664A |