| Patents for B61C 11 - Locomotives or motor railcars characterised by the type of means applying the tractive effort; Arrangement or disposition of running gear other than normal driving wheels (402) | |
|---|---|
| 02/1976 | |
| 02/17/1976 | US3938445 Trackway for overhead transportation system |
| 01/1976 | |
| 01/27/1976 | US3935559 Transporter systems |