| Patents for B61B 5 - Elevated railway systems without suspended vehicles (304) | |
|---|---|
| 05/1977 | |
| 05/17/1977 | US4023503 Conveying installation |
| 01/1977 | |
| 01/04/1977 | US4000700 Railway vehicle and switching mechanism therefor |
| 03/1976 | |
| 03/09/1976 | US3942450 Overhead transportation system |
| 01/1976 | |
| 01/06/1976 | US3930451 Roadway for high performance rapid transit railways |